Merge "libstagefright: Do not use max/min luminance if it's 0" am: c9643eeae5 am: f40667acd4 am: 7fcaf93af8 am: 97e4792736

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1427069

Change-Id: I14e904eae30a5df8711f54ebe6be1e3cffb70ea3