audio: Do not allow Compress offload mode for AV streaming content

Add system property check to use compress offload mode or not for
audio+video streaming content.

Change-Id: I10aa22995d2d1320b41f58ff9bb2303787c9d40d
CRs-fixed: 587600
Dolby:  Add support for Dolby UDC DD/DD+ Decoder

- Add Dolby system property support for devices
  in AudioPolicyManagerBase

Change-Id: I4b931827e1cbc505bdae3b67418f792ed562939c
audio: Enhance virutal input device to support A2DP FM RX

- Add AUDIO_DEVICE_IN_FM_RX_A2DP to APM_AUDIO_IN_DEVICE_VIRTUAL_ALL
  to support FM recording with A2DP headset.

Change-Id: I64091235e52769418e734308be260d8f4c81ae90
CRs-Fixed: 581377
Merge "audio: Do not allow Compress offload mode for AV streaming content"
Merge "audio: Enhance virutal input device to support A2DP FM RX"
Merge branch 'dolby-caf/caf/kitkat' into dolby-caf/dolby/DS/QUALCOMM-RFL/kitkat
hardware/libhardware_legacy: Cleanup of Dolby integration code

Correct copyright dates
Remove de-selection of a code section when Dolby code is built

Change-Id: I71f33f0e3d0f04ecf407df2af3af95cb4c47102c