alsa_sound: Fix CAMCORDER_TX use case

* Enable use case by setting BOARD_USES_SEPERATED_CAMCORDER

Change-Id: Icabb0073f85e65455d5bbeae9b9b6956a8a78b90
audio: libaudioamp: add hooks to open/close for amplifier init

Change-Id: I64e8cafad3e5eb872f2924eabde9b5dbfc947710
Revert "audio: libaudioamp: add hooks to open/close for amplifier init"

This reverts commit 5507a6b2fd06e0313df55f8c1bd46296e977f628.

Depends on an incomplete change device-side.

Change-Id: I6ac49669a8e81dacc44804e7dae11c0a8e3ee65d
Revert "Revert "audio: libaudioamp: add hooks to open/close for amplifier init""

This reverts commit d29144f22c0269ae223db8fb3545962526e0a0c9.

Change-Id: Ia1434020a8719002a6a0096a0661b628ed400ca3
Merge "alsa_sound: Fix CAMCORDER_TX use case" into cm-10.2
Merge remote-tracking branch 'upstream/cm-10.2' into cm-10.2