[automerger skipped] Add missing gRPC include. am: c608187f am: e1ea603e am: 9d92d55a -s ours

am skip reason: Merged-In Ife50863bd16eda6bc639261b1f91fdfcf48f6294 with SHA-1 3d3baed1 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/24501312



Change-Id: I11a7dfe200ff1bf2b81e4faab7da7dec7643dac6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>