Sandbox hidl genrules am: 70406c8b01

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/2823897

Change-Id: If059db2444e46e66c89de5d09fd7fd2f8f10179f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>