[automerger skipped] Create style for AlertDialog in SystemUI am: 1a848af46f am: 06d1ef9fe3 -s ours

am skip reason: Merged-In Ied39acb05295dea1e1e353ef504d013900a97266 with SHA-1 7be5af7d80 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16307011

Change-Id: I4afd24c612fe8fe93611a3e987210363f6bb1fa6