Allow FragmentTransactions in onConfigurationChanged

onConfigurationChanged can be fired before onResume, but
should still allow FragmentTransactions.

Test: Ran fragment tests
BUG: 68340549
Change-Id: I4b3dfd5c202c11416e70f048793a2c7a98738f15
diff --git a/fragment/src/main/java/android/support/v4/app/FragmentActivity.java b/fragment/src/main/java/android/support/v4/app/FragmentActivity.java
index 78161a8..e3f5684 100644
--- a/fragment/src/main/java/android/support/v4/app/FragmentActivity.java
+++ b/fragment/src/main/java/android/support/v4/app/FragmentActivity.java
@@ -273,6 +273,7 @@
     @Override
     public void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);
+        mFragments.noteStateNotSaved();
         mFragments.dispatchConfigurationChanged(newConfig);
     }