Merge "Disable riscv64 dependency on bcc and ld.mc" am: d2b9ad4e

Original change: https://android-review.googlesource.com/c/platform/build/+/2448665



Change-Id: I4e2a3c800dd0c8eb914b35c937173e1649085c50
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>