Improve error handling for DRM errors reported by plugins
Improve error handling for DRM errors reported by plugins

Change-Id: I25df78f16379b32c54189949daa3ab9c91187375
related-to-bug: 8621516

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base