Merge "Remove drop shadow below on the fill dialog" into tm-dev am: abe07300 am: f11588f5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18185262



Change-Id: I0c4e9d216a21ca86b63602f23951b1848c1c53b4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>