fstab: Add fake recovery partition

SEMC msm7x30 devices don't have a separate recovery partition.
However we need an fstab entry for /recovery in order to satisfy releasetools.

Change-Id: I2c8878a5813826dd5b1de45b366293d088318823
init: Remove recovery partition from recovery fstab

Remove the fake recovery partition from the recovery fstab
after unpacking the recovery ramdisk.

Change-Id: I9237b3ee0514041754da2bd3556b7fa4ed0121b7
msm7x30: Don't build legacy audio policy

* QCOM A family uses the frameworks/av audio policy now

Change-Id: I5d4a7f80396ce3e3c2f864413f215f5f54424eb8