d2: Enable SELinux

Change-Id: I3d4fda657e5ec6f0148bb53c8e319f7a86008f29
d2: Remove this audio_effect.conf

 * We use the one provided by DSPManager

Change-Id: I4be120d09823a9bb0089963151293b827710b873
d2: Add VOIP devices

 * Also remove some cruft

Change-Id: I98c44864814335d880bff9a2907e4550b9ee2d83
d2: USB audio support

 * Add required usecases for USB PROXY RX and TX.

Change-Id: Id3433188e557d8d9aedc1dd6d347460e0f7bb438

Conflicts:

	audio/audio_policy.conf
d2: Add "length" parameter for /data partition

 * Needed for "footer" style encryption.

Change-Id: I685354b5e7a44cfff19ee5bcedeb773bd26b8b1d