stagefright: Build fixes

 * Fix build without AV_ENHANCEMENTS on

Change-Id: I4bbf3f0a6f5894ddb33b62d99bced2f6247081db
fix screenrecord abort issues

Change-Id: Ic065d4cdd92cfa7abbaafd8e17f6e9d4cf397562
media: Kill incessant logspam during latency measurement WTF

Change-Id: I79059c176f6c1fb922f48596bc2e078461b09320