[automerger skipped] [automerged blank] Don't set background color if TDA doesn't have a valid surface 2p: 62f69423c5 am: a094a8146b -s ours

am skip reason: Merged-In I9881453ba14cba4f219861ec4449f2baa8058b57 with SHA-1 da737e7149 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16988727

Change-Id: I859e938f4223e64cb670a6ecaee2475a834885d8