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

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

Change-Id: I31c0362dab24a6e7aa3a0b34832438a8b24f7a13
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>