Point directly to generated c sysprop_library am: 63ef60ff4e am: fd3396abcf

Original change: https://android-review.googlesource.com/c/platform/system/hardware/interfaces/+/2120072

Change-Id: I3caf9540d1a26b87aeafcdb565867fb9c1ab12f7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>