Ran rename-unsafe-lifecycles codemod on xplat/js

Reviewed By: trueadm

Differential Revision: D6889214

fbshipit-source-id: e815cda4b09f3650ae3b0b9a44ae6f5fcb48fe25

Author: Brian Vaughn

IntegrationTests/ReactContentSizeUpdateTest.js

@@ -30,7 +30,7 @@ var ReactContentSizeUpdateTest = createReactClass({
   mixins: [Subscribable.Mixin,
            TimerMixin],
 
-  componentWillMount: function() {
+  UNSAFE_componentWillMount: function() {
     this.addListenerOn(
       RCTNativeAppEventEmitter,
       'rootViewDidChangeIntrinsicSize',

IntegrationTests/SizeFlexibilityUpdateTest.js

@@ -27,7 +27,7 @@ var SizeFlexibilityUpdateTest = createReactClass({
   displayName: 'SizeFlexibilityUpdateTest',
   mixins: [Subscribable.Mixin],
 
-  componentWillMount: function() {
+  UNSAFE_componentWillMount: function() {
     this.addListenerOn(
       RCTNativeAppEventEmitter,
       'rootViewDidChangeIntrinsicSize',