Merge "Allow status bar to be transparent, and clear LIGHT flags." into rvc-dev am: 25602430fd am: e9e55ae825 am: 978a3a6023

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12166023

Change-Id: I1e14729ad7a3b28c5cd839040075136de1cf112a