Merge "Allow dismiss dialog when touch outside in dark theme" into tm-qpr-dev am: 53255aac

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19802506



Change-Id: I33283282982e4937633a0cfe11c9554cd8f0c64d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>