Merge "Remove enable_pip_keep_clear_algorithm flag" into udc-qpr-dev am: 2e44408c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24445694



Change-Id: I47c81078c04ab6f1666baf01407672d7939add85
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>