Update TEST_MAPPING am: 0c3c1d34a4 am: afa89d7e92 am: 63d6c607f0 am: e15c2a8f46 am: 705139a29f

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/grpcio-sys/+/2107322

Change-Id: I61f84fd2facea09657b0014e436a3dceadee1096
Signed-off-by: Automerger Merge Worker <[email protected]>