Merge "Reland^2: Use "gfxstream" namespace" am: 5a681ce005 am: 6e2a59d9ee am: 54342df77f

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

Change-Id: I013bf06bfa6b06361289d281967ef68a719bb7d7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>