Merge "Add background executor fow WmShell" into tm-dev am: a73a4428 am:...

Merge "Add background executor fow WmShell" into tm-dev am: a73a4428 am: cad0761e am: 5395bd2d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17693175



Change-Id: If17f257231c30524e0c21db8b2b517624239b8f7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>