Revert "audio: disable lpa until frameworks/av supports it"

This reverts commit 822650e86e3e27427c54f572912b9c7c8c814830.

Change-Id: Ic50a3f8af183013956e9f580a549d5d0558eab2a
media_codecs: Update VPx entries for 4.4

Change-Id: I75beef4d21b786ab5da5f70fe9fab6cb74ca89b6
Merge branch 'cm-11.0' into martincz