Rename stream-servers to host am: f5d796021d

Original change: https://android-review.googlesource.com/c/platform/external/gfxstream-protocols/+/2597355

Change-Id: I1bbf103bc2eec10ea9d8607f5f7750eda2a09d98
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>