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

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



Change-Id: I1e7435745169f02d2a5848fff41220c09959d1f6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>