Apply Nullsafe FIXMEs for xplat/js/react-native-github/packages/react…

…-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/DebugOverlayController.java

Summary:
Note this diff is only adding FIXMEs that will be removed in the next diff. This diff exists to make the next diff easily reviewable

Changelog: [Internal]

Differential Revision: D71126397

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/DebugOverlayController.java

@@ -57,6 +57,7 @@ private static boolean hasPermission(Context context, String permission) {
       PackageInfo info =
           context
               .getPackageManager()
+              // NULLSAFE_FIXME[Nullable Dereference]
               .getPackageInfo(context.getPackageName(), PackageManager.GET_PERMISSIONS);
       if (info.requestedPermissions != null) {
         for (String p : info.requestedPermissions) {
@@ -73,6 +74,7 @@ private static boolean hasPermission(Context context, String permission) {
 
   private static boolean canHandleIntent(Context context, Intent intent) {
     PackageManager packageManager = context.getPackageManager();
+    // NULLSAFE_FIXME[Parameter Not Nullable]
     return intent.resolveActivity(packageManager) != null;
   }