audio: remove invalid audio encoders/decoders

- Remove QCOM software AAC encoder, use Google's
  software AAC encoder.
- Remove redundant encoders(AMRNB/AAC/AMRWB/FLAC)
- Remove EVRC/QCELP/AC3/MP3 HW decoders to pass CTS test
  SW decoders are used for these formats and HW decoders
  are not compiled.

Change-Id: Iecce995a784abee119418b2cd5591de85bceb7f1
CRs-Fixed: 457174
Merge "audio: remove invalid audio encoders/decoders"
device/qcom/common: Remove vp8 hardware decoder

Change-Id: I2a2a0ab81f290b709e00be4b6e333078b3eb610a
CRs-Fixed: 459898
Merge "device/qcom/common: Remove vp8 hardware decoder"
Update for magnus

Change-Id: I62367706214f686ede58a1f1daed667fa102b310