[automerger skipped] [automerged blank] Don't set background color if TDA...

[automerger skipped] [automerged blank] Don't set background color if TDA doesn't have a valid surface 2p: 62f69423 am: a094a814 -s ours am: 328c0a75 -s ours

am skip reason: Merged-In I9881453ba14cba4f219861ec4449f2baa8058b57 with SHA-1 da737e71 is already in history

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

Change-Id: I638e7cc0636758817eeefb4b8676b5e68160623a