Revert "Revert "stagefright: Handle offload fallback for 24-bit tracks""

This reverts commit b2d128b504510ad8aa24f989f940af53390a316b.
Revert "libstagefright: Add the conditions to ignore seek and allow sink stop"

This reverts commit 9176fcb75043abed2c6d227e28caaab5538007a8.