Revert changes for temporal layer encoding

 * Taking upstream impl.

Revert "stagefright: ACodec: Handle temporal layered encoding error"

This reverts commit d049e945.

Revert "NuPlayer: drop temporal-layers to achieve smooth fast-play"

This reverts commit eb24cbb1.

Revert "stagefright: Enhance MPEG4 writer/extractor to store/retrieve layer info"

This reverts commit b2264390.

Change-Id: I149438ea5a2afd1926f8420431f1c2dc4dac757f

Revert "MPEG4Writer: Handle writing multiple NAL units in a video sample"

This reverts commit ab72e657.

Revert "stagefright: ACodec: Enable temporal layered encoding"

This reverts commit 16985089.

Revert "stagefright: Enable layered encoding for HFR"

This reverts commit f65ac945.

Revert "Stagefright: Do not skip frames in time-lapse-source for high-speed"

This reverts commit bfc04e17.