Merge appveyor.yml with .appveyor/config.yml (#22529)

Summary:
A recent PR was merged with changes to appveyor.yml, but that file recently moved to .appveyor/config.yml
Pull Request resolved: https://github.com/facebook/react-native/pull/22529

Differential Revision: D13342085

Pulled By: hramos

fbshipit-source-id: d243e233ef769ab279dacdd48444248fbdec9417

.appveyor/config.yml

@@ -1,8 +1,8 @@
 environment:
     ANDROID_HOME: "C:\\android-sdk-windows"
-    ANDROID_NDK: "C:\\android-sdk-windows\\android-ndk-r17c"
-    ANDROID_BUILD_VERSION: 27
-    ANDROID_TOOLS_VERSION: 27.0.3
+    ANDROID_NDK: "C:\\android-sdk-windows\\android-ndk-r17b"
+    ANDROID_BUILD_VERSION: 28
+    ANDROID_TOOLS_VERSION: 28.0.2
 
     GRADLE_OPTS: -Dorg.gradle.daemon=false
 

appveyor.yml

@@ -1,48 +0,0 @@
-environment:
-    ANDROID_HOME: "C:\\android-sdk-windows"
-    ANDROID_NDK: "C:\\android-sdk-windows\\android-ndk-r17b"
-    ANDROID_BUILD_VERSION: 28
-    ANDROID_TOOLS_VERSION: 28.0.2
-
-    GRADLE_OPTS: -Dorg.gradle.daemon=false
-
-    SDK_TOOLS_URL: https://dl.google.com/android/repository/sdk-tools-windows-3859397.zip
-    NDK_TOOLS_URL: https://dl.google.com/android/repository/android-ndk-r17c-windows-x86_64.zip
-
-    matrix:
-        - nodejs_version: 8
-        - nodejs_version: 10
-
-install:
-    # Install Android SDK Tools
-    - mkdir "%ANDROID_HOME%"
-    - appveyor DownloadFile "%SDK_TOOLS_URL%" -FileName "%TMP%/sdk-tools.zip"
-    - 7z x "%TMP%/sdk-tools.zip" -o"%ANDROID_HOME%" > nul
-    - set PATH=%PATH%;"%ANDROID_HOME%\tools\bin"
-
-    - yes 2> nul | sdkmanager --licenses > nul
-    - sdkmanager "system-images;android-19;google_apis;armeabi-v7a"
-    - sdkmanager "platforms;android-%ANDROID_BUILD_VERSION%"
-    - sdkmanager  "build-tools;%ANDROID_TOOLS_VERSION%"
-    - sdkmanager "add-ons;addon-google_apis-google-23"
-    - sdkmanager "extras;android;m2repository"
-
-    - appveyor DownloadFile "%NDK_TOOLS_URL%" -FileName "%TMP%/ndk.zip"
-    - 7z x "%TMP%/ndk.zip" -o"%ANDROID_HOME%" > nul
-
-    - ps: Install-Product node $env:nodejs_version
-    - node --version
-    - yarn --version
-    - appveyor-retry yarn install
-
-build_script:
-  - gradlew.bat RNTester:android:app:assembleRelease
-
-test_script:
-    - npm test
-
-cache:
-  - node_modules
-  - "%LOCALAPPDATA%/Yarn"
-  - "%USERPROFILE%/.gradle/caches"
-  - "%USERPROFILE%/.gradle/wrapper"