msm7x27a-common: fix sound recording

https://github.com/TeamHackLG/android_packages_apps_SoundRecorder/commit/0e7e730ce7033624eca92c858616e6b055b73119

Change-Id: I32a6ab54f39cd497825b2503317b034e44bd578c
msm7x27a-common: we don't need mheap shit anymore

Change-Id: Ia43a04f82e5e1ce0efb09131ffc8d43b82a0a9d4

Conflicts:
	msm7x27a-common.mk
msm7x27a-common: Add support for mounting usb disks

Change-Id: I30c3023ea57c179b339428145253b46d44331276
msm7x27a-common: ignore persist-lg and mpt partitions in recovery

Change-Id: Ib2d143315d98453753796d66bf05364ba973993f

Conflicts:
	msm7x27a-common.mk