Fix the encoder

Change-Id: I929c769b24d0b891487faf4f0d3c9fa66e04eeef
Correct gralloc usage flags for renderer
Fix legacy OMX encoders

Ensure that a valid frame_rate is passed to the encoder, otherwise
encoding will fail.

Change-Id: Iaaa298496755ff405e393120973d1ed782f5d8f4
Fixed Gingerbread mmparser using

Change-Id: Ib931fa6ed4522b5851d42297f929183cf76043fd
Try use ExtendedExtractor only if no suitable default extractors available for the source

Change-Id: I57a9cc39caee7e3fa2b709ab09cca5629bf81f44