ANDROID: GKI: support mm_event for FS/IO/UFS path

This is stub for FS/IO/UFS part in mm_event.

Bug: 149182139
Change-Id: Iae01a7d7c27224f2d7dea287f1d713103d8c7398
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
3 files changed