Merge "lvm benchmark : Initial version" am: 14e7894359 am: 60924e19d9 am: 4c641bfafa

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1475738

Change-Id: Iaf1b3b901f6ab4a3881a6334dc1d2be422a56913