Add legacy Qualcomm OpenMAX support for MSM7x27

This is a combination of 4 commits.

Author: Alexey Shavykin <ganster0x29@gmail.com>
Date:   Sun Oct 28 22:46:34 2012 +0200
    Quick untested port of support legacy Qualcomm OMX OL libs

Author: Alexey Shavykin <ganster0x29@gmail.com>
Date:   Mon Oct 29 00:42:13 2012 +0200
    Replaced LOGI to ALOGI

Author: WinSuk <goodboy735@gmail.com>
Date:   Wed, 14 Nov 2012 23:03:24 -0800
    Fix the encoder

Author: Ganster41 <ganster0x29@gmail.com>
Date:   Mon Nov 19 15:35:36 2012 +0200
    Correct gralloc usage flags for renderer

Change-Id: I6c013873a0552269e906a1a2558493e826a2ce6a
Fix log spam: Failed to open libwvm.so

Bug: 7342813
Change-Id: I98852f036e4679a653723fc2bf1435d6e9d7d34c
Try use ExtendedExtractor only if no suitable default extractors available for the source

Change-Id: I57a9cc39caee7e3fa2b709ab09cca5629bf81f44
Fix alignment and copy size for legacy QCOM OMX

Change-Id: I6d13c67601da0f0c35d3dd455401f982406cefe3