Squashed commit of the following:

commit a2194ecc341fa0c530d0007d8561286c8b8f2d15
Author: Andreas Huber <andih@google.com>
Date:   Fri May 21 12:50:09 2010 -0700

    Instead of including the libvpx libraries prebuilt in our tree, build them from sources.

    Change-Id: I5ec57decf1200cf9137fe13ff77d06f47950c3d7

commit 711098ca3f16800a22ccdb26a07e57e471cca438
Author: Andreas Huber <andih@google.com>
Date:   Thu May 20 15:00:27 2010 -0700

    Support for VPX/VP8 decoding in stagefright

    Change-Id: I16d93faf3f56a5f8ec39c14367704469f914db9e
    related-to-bug: 2483739

Change-Id: Ibc124f6af540c2715cb2325151eecdd6edf085ec
diff --git a/media/libstagefright/OMXCodec.cpp b/media/libstagefright/OMXCodec.cpp
index 928a6c8..66011ca9 100644
--- a/media/libstagefright/OMXCodec.cpp
+++ b/media/libstagefright/OMXCodec.cpp
@@ -28,6 +28,7 @@
 #include "include/M4vH263Decoder.h"
 #include "include/MP3Decoder.h"
 #include "include/VorbisDecoder.h"
+#include "include/VPXDecoder.h"
 
 #include "include/ESDS.h"
 
@@ -76,6 +77,7 @@
 FACTORY_CREATE(AVCDecoder)
 FACTORY_CREATE(M4vH263Decoder)
 FACTORY_CREATE(VorbisDecoder)
+FACTORY_CREATE(VPXDecoder)
 FACTORY_CREATE_ENCODER(AMRNBEncoder)
 FACTORY_CREATE_ENCODER(AMRWBEncoder)
 FACTORY_CREATE_ENCODER(AACEncoder)
@@ -118,6 +120,7 @@
         FACTORY_REF(AVCDecoder)
         FACTORY_REF(M4vH263Decoder)
         FACTORY_REF(VorbisDecoder)
+        FACTORY_REF(VPXDecoder)
     };
     for (size_t i = 0;
          i < sizeof(kFactoryInfo) / sizeof(kFactoryInfo[0]); ++i) {
@@ -158,6 +161,7 @@
     { MEDIA_MIMETYPE_VIDEO_AVC, "AVCDecoder" },
 //    { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.PV.avcdec" },
     { MEDIA_MIMETYPE_AUDIO_VORBIS, "VorbisDecoder" },
+    { MEDIA_MIMETYPE_VIDEO_VPX, "VPXDecoder" },
 };
 
 static const CodecInfo kEncoderInfo[] = {