hardware/qcom/media: Add AC3/EAC3 support

Add entries for AC3/EAC3 in registry. Add definitions to support
AC3/EAC3.

(cherry picked from commit f0334a2ffe1c3fb9ec367b25619b81371f300c42)

  oldChange-Id: I069530ac3668c5a788dfa4d5a1290b080e5b0050

Change-Id: Ifb09fd9331b98af6fe38dc41220e872b6bb80950
hardware/qcom/media: Fix for AACEncoder CTS test failure

- 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.

  oldChange-Id: Ie2c552308fe32c78b1cc03f454a18d015c518c34
CRs-Fixed: 457174

Change-Id: I42cb77ad15c6cf0f6fa4912eeaa2edfc8bb61712