Merge "[AppsFilter] make mShouldFilterCache non null" into tm-dev am: dd0a8fb6 am: 7777f061 am: a4721bc7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17543786



Change-Id: I2e6cf3ead53e8f1a8fc0e988053158cff0aecf06
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>