Fix Android build.gradle for facebook#28298

ReactAndroid/build.gradle

@@ -92,11 +92,24 @@ task downloadFolly(dependsOn: createNativeDepsDirectories, type: Download) {
     dest(new File(downloadsDir, "folly-${FOLLY_VERSION}.tar.gz"))
 }
 
+// A temporary workaround for build failing on some machines.
+// See: https://github.com/facebook/react-native/issues/28298
+def follyReplaceContent = '''
+  ssize_t r;
+  do {
+    r = open(name, flags, mode);
+  } while (r == -1 && errno == EINTR);
+  return r;
+'''
+
 task prepareFolly(dependsOn: dependenciesPath ? [] : [downloadFolly], type: Copy) {
     from(dependenciesPath ?: tarTree(downloadFolly.dest))
     from("src/main/jni/third-party/folly/Android.mk")
     include("folly-${FOLLY_VERSION}/folly/**/*", "Android.mk")
     eachFile { fname -> fname.path = (fname.path - "folly-${FOLLY_VERSION}/") }
+    // Fixes problem with Folly failing to build on certain systems.
+    // See https://github.com/facebook/react-native/issues/28298
+    filter { line -> line.replaceAll('return int\\(wrapNoInt\\(open, name, flags, mode\\)\\);', follyReplaceContent) }
     includeEmptyDirs = false
     into("$thirdPartyNdkDir/folly")
 }