Merge "(5/N)[MediaProjection] Send no frames until user reviews consent" into udc-dev am: 9736133f am: 5e2b34e8 am: 7abb8cdb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22765499



Change-Id: Idf1d8cc5efca4f7226cd3909c57302ce9d58d188
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>