Merge "libstagefright: initializes member variables in constructor" am:...

Merge "libstagefright: initializes member variables in constructor" am: f25dd316 am: 04eb4c7b am: 1ee220c0 am: b020be2b am: 52f14677

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2560793



Change-Id: I55f03127d869729564c100da9c5a1ab500f2dea1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>