Merge "Make WM Jetpack unit tests mockable" into tm-dev am: 9dc93c7c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17473296



Change-Id: I09249ddb0c9bfff4b0104112c7579eb47619f237
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>