Merge "Clear fixed rotation if rotated recents activity becomes top" into rvc-qpr-dev am: 5c2d5cda50 am: 5c5e8666af

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13224107

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: If630df3852836c6702bfad2319ca1cb63946a582