Merge "Update widget edit icon to use material colors." into tm-dev am: 37edea679c am: 8db98c43be

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17656215

Change-Id: I189165ccaeca0f238a34ab50a958dca4f4e3855a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>