Bump Prettier to 1.13.4 on xplat

Summary:
Bump Prettier to use version 1.13.4
All code changes are caused by running Prettier and should only affect files that have an `format` header.
All other changes caused by yarn.

Reviewed By: ryanmce

Differential Revision: D8251255

fbshipit-source-id: 0b4445c35f1269d72730f2000002a27c1bc35914

local-cli/bundle/saveAssets.js

@@ -75,8 +75,7 @@ function copy(src, dest, callback) {
     if (err) {
       return callback(err);
     }
-    fs
-      .createReadStream(src)
+    fs.createReadStream(src)
       .pipe(fs.createWriteStream(dest))
       .on('finish', callback);
   });

local-cli/link/android/patches/makeBuildPatch.js

@@ -18,6 +18,6 @@ module.exports = function makeBuildPatch(name) {
   return {
     installPattern,
     pattern: /[^ \t]dependencies {(\r\n|\n)/,
-    patch: `    compile project(':${normalizedProjectName}')\n`
+    patch: `    compile project(':${normalizedProjectName}')\n`,
   };
 };