Move ImageSourcePropType.js, ImageStylePropTypes.js, TextPropTypes.js (#21387)

Summary:
related #21342

TODO
* move ImageSourcePropType.js, ImageStylePropTypes.js, TextPropTypes.js
* fix flow error

CheckList
 - [x] `yarn prettier`
 - [x] `yarn flow-check-android`
 - [x] `yarn flow-check-ios`

All flow checks pass.

[GENERAL] [ENHANCEMENT] [DeprecatedImageSourcePropType.js] - Created.
[GENERAL] [ENHANCEMENT] [DeprecatedImageStylePropTypes.js] - Created.
[GENERAL] [ENHANCEMENT] [DeprecatedTextPropTypes.js] - Created.
Pull Request resolved: https://github.com/facebook/react-native/pull/21387

Reviewed By: TheSavior

Differential Revision: D10099753

Pulled By: RSNara

fbshipit-source-id: c907af6d1549ee42de1a2e17f278998e8422110f

Libraries/Text/TextProps.js

@@ -30,17 +30,81 @@ export type PressRetentionOffset = $ReadOnly<{|
  * @see https://facebook.github.io/react-native/docs/text.html#reference
  */
 export type TextProps = $ReadOnly<{
+  /**
+   * Indicates whether the view is an accessibility element.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#accessible
+   */
   accessible?: ?boolean,
   accessibilityRole?: ?AccessibilityRole,
   accessibilityStates?: ?AccessibilityStates,
   accessibilityTraits?: ?(AccessibilityTrait | Array<AccessibilityTrait>),
+
+  /**
+   * Whether font should be scaled down automatically.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#adjustsfontsizetofit
+   */
+  adjustsFontSizeToFit?: ?boolean,
+
+  /**
+   * Whether fonts should scale to respect Text Size accessibility settings.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#allowfontscaling
+   */
   allowFontScaling?: ?boolean,
   children?: ?React.Node,
+
+  /**
+   * When `numberOfLines` is set, this prop defines how text will be
+   * truncated.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#ellipsizemode
+   */
   ellipsizeMode?: ?('clip' | 'head' | 'middle' | 'tail'),
+
+  /**
+   * Specifies largest possible scale a font can reach when `allowFontScaling` is enabled.
+   * Possible values:
+   * `null/undefined` (default): inherit from the parent node or the global default (0)
+   * `0`: no max, ignore parent/global default
+   * `>= 1`: sets the maxFontSizeMultiplier of this node to this value
+   */
+  maxFontSizeMultiplier?: ?number,
+
+  /**
+   * Used to locate this view from native code.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#nativeid
+   */
   nativeID?: ?string,
+
+  /**
+   * Used to truncate the text with an ellipsis.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#numberoflines
+   */
   numberOfLines?: ?number,
+
+  /**
+   * Invoked on mount and layout changes.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#onlayout
+   */
   onLayout?: ?(event: LayoutEvent) => mixed,
+
+  /**
+   * This function is called on long press.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#onlongpress
+   */
   onLongPress?: ?(event: PressEvent) => mixed,
+
+  /**
+   * This function is called on press.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#onpress
+   */
   onPress?: ?(event: PressEvent) => mixed,
   onResponderGrant?: ?Function,
   onResponderMove?: ?Function,
@@ -49,18 +113,71 @@ export type TextProps = $ReadOnly<{
   onResponderTerminationRequest?: ?Function,
   onStartShouldSetResponder?: ?Function,
   onTextLayout?: ?(event: TextLayoutEvent) => mixed,
+
+  /**
+   * Defines how far your touch may move off of the button, before
+   * deactivating the button.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#pressretentionoffset
+   */
   pressRetentionOffset?: ?PressRetentionOffset,
+
+  /**
+   * Lets the user select text.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#selectable
+   */
   selectable?: ?boolean,
   style?: ?DangerouslyImpreciseStyleProp,
+
+  /**
+   * Used to locate this view in end-to-end tests.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#testid
+   */
   testID?: ?string,
 
-  // Android Only
+  /**
+   * Android Only
+   */
+
+  /**
+   * Specifies the disabled state of the text view for testing purposes.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#disabled
+   */
   disabled?: ?boolean,
+
+  /**
+   * The highlight color of the text.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#selectioncolor
+   */
   selectionColor?: ?string,
+
+  /**
+   * Set text break strategy on Android.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#textbreakstrategy
+   */
   textBreakStrategy?: ?('balanced' | 'highQuality' | 'simple'),
 
-  // iOS Only
+  /**
+   * iOS Only
+   */
   adjustsFontSizeToFit?: ?boolean,
+
+  /**
+   * Smallest possible scale a font can reach.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#minimumfontscale
+   */
   minimumFontScale?: ?number,
+
+  /**
+   * When `true`, no visual change is made when text is pressed down.
+   *
+   * See https://facebook.github.io/react-native/docs/text.html#supperhighlighting
+   */
   suppressHighlighting?: ?boolean,
 }>;