Merge "Remove enable_pip_keep_clear_algorithm flag" into udc-qpr-dev am: 4573658e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/24447708



Change-Id: I2ea5dd40e06ba72ae556984320bef4e940d3f56b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>