stagefright: TinyCacheSource to read continuously

If the seek operation of underlying MediaDataSource implementation is
expensive and each read is relatively small (e.g. Live MPEG2 TS
stream), current TinyCacheSource implementation requests seek too
frequently.

Bug: 21764375

Change-Id: Ic620bf027bc4ef48822549c83c5c98109986884a
1 file changed