Fix NuMediaExtractor::readSampleData buffer Handling am: 84c69bca am:...

Fix NuMediaExtractor::readSampleData buffer Handling am: 84c69bca am: c2c61513 am: 63e84ef1 am: 9e14ac6b am: 14e71a39 am: 45057003 am: 5f037125 am: dc0875b8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/22348680



Change-Id: Ibd8e19e73d93ea8c7e675834722289725728169f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>