Merge "Reland^2: Use "gfxstream" namespace" am: 5a681ce005

Original change: https://android-review.googlesource.com/c/platform/external/gfxstream-protocols/+/2515836

Change-Id: I97ff6b825b9c2057544ceb87258a1bd4737aa66d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>