Revert "MediaCodec: don't cache buffers until requested"

This reverts commit 07358dfea5d63baf80608536c2a3dff6ed0f44e1.

Merged-In: I2e52c3abdd13fa0547a510b3599e082e3bff0989
Change-Id: I2e52c3abdd13fa0547a510b3599e082e3bff0989
1 file changed