Merge "fix(magnifier): avoid crash when smashing magnifier shortcut button...

Merge "fix(magnifier): avoid crash when smashing magnifier shortcut button repeatedly" into udc-dev am: 566c5e83

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25521013



Change-Id: I02c00568bdb200a5c79ae414a4f50f7b3d7bc7d5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>