media-caf: Fix building for msm7x27a

Change-Id: I5fbbf4f955b36c14bdb960a6e02eeab7d76ec451
mm-video: Use multimedia heap on MSM7x30 (720p) too.

Change-Id: I8c7997a1fdd9490cbec9729b07a50f40b1c07c2b
mm-core: Remove obsolete msm7x30 OMX code

This is a leftover since long time ago, remove it to prevent
any conflicts with the normal omx

Change-Id: I8c2ddfb851dc3147361de17fe929b0a577ad9270
mm-video: Allow devices to override QComOMXMetadata header

* Certain manufacturers add extra fields to the
  encoder_media_buffer_type struct.

Change-Id: I2485196c2ab5d798a1dcd2353c9f8cc5114987f8
hardware/qcom/media: Fix for AACEncoder CTS test failure on 7x27A

- AACEncoders CTS test fail in CTS verification.
- AAC hardware encoder is not supported due to this
  getting failed in CTS verification.
- Remove hardware AAC encoder from registry table.

Change-Id: Ie2c552308fe32c78b1cc03f454a18d015c518c34
CRs-Fixed: 457174