[automerger skipped] r_submix: keep the signed value for offset calculation in...

[automerger skipped] r_submix: keep the signed value for offset calculation in AIDL implementation am: c1cd92cf -s ours

am skip reason: Merged-In Ie941cc2525e3ea42b53106ae3a65242794b1dd1b with SHA-1 7816f26a is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/24525676



Change-Id: I1c7e62921de0d29784530a49e6410b081ba7cd0b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>