Merge "Add a command to clear recent apps" into tm-qpr-dev am: 541595b9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20550643



Change-Id: Iaa8825d4e822748f38a8f02b13c7640d13519c1c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>