Merge "Store pending override config instead of creating ActivityClientRecord"

core/java/android/app/ActivityThread.java

core/java/android/app/ClientTransactionHandler.java

...pp/servertransaction/ActivityConfigurationChangeItem.java

...ndroid/app/servertransaction/ActivityTransactionItem.java

...ava/android/app/servertransaction/LaunchActivityItem.java

...java/android/app/servertransaction/MoveToDisplayItem.java

...oretests/src/android/app/activity/ActivityThreadTest.java