Merge "Support gdbclient.py on riscv64" am: f87641a7ea

Original change: https://android-review.googlesource.com/c/platform/development/+/2626617

Change-Id: I672115740e3a191428d48f8cedfd7864065629cb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>