DO NOT MERGE - Remove deprecated image defines

libvpx has always supported the VPX_ prefixed versions of these defines.
The unprefixed versions have been removed in the most recent release.

https://chromium.googlesource.com/webm/libvpx/+/9cdaa3d72eade9ad162ef8f78a93bd8f85c6de10

BUG=23452792

Change-Id: Ib02073f42d545e6c08f9bd4a4fc868e3be886c1b
diff --git a/media/libstagefright/codecs/on2/dec/SoftVPX.cpp b/media/libstagefright/codecs/on2/dec/SoftVPX.cpp
index 2bae2ad..979a053 100644
--- a/media/libstagefright/codecs/on2/dec/SoftVPX.cpp
+++ b/media/libstagefright/codecs/on2/dec/SoftVPX.cpp
@@ -134,7 +134,7 @@
         vpx_image_t *img = vpx_codec_get_frame((vpx_codec_ctx_t *)mCtx, &iter);
 
         if (img != NULL) {
-            CHECK_EQ(img->fmt, IMG_FMT_I420);
+            CHECK_EQ(img->fmt, VPX_IMG_FMT_I420);
 
             uint32_t width = img->d_w;
             uint32_t height = img->d_h;
@@ -155,28 +155,28 @@
             outHeader->nFlags = EOSseen ? OMX_BUFFERFLAG_EOS : 0;
             outHeader->nTimeStamp = inHeader->nTimeStamp;
 
-            const uint8_t *srcLine = (const uint8_t *)img->planes[PLANE_Y];
+            const uint8_t *srcLine = (const uint8_t *)img->planes[VPX_PLANE_Y];
             uint8_t *dst = outHeader->pBuffer;
             for (size_t i = 0; i < img->d_h; ++i) {
                 memcpy(dst, srcLine, img->d_w);
 
-                srcLine += img->stride[PLANE_Y];
+                srcLine += img->stride[VPX_PLANE_Y];
                 dst += img->d_w;
             }
 
-            srcLine = (const uint8_t *)img->planes[PLANE_U];
+            srcLine = (const uint8_t *)img->planes[VPX_PLANE_U];
             for (size_t i = 0; i < img->d_h / 2; ++i) {
                 memcpy(dst, srcLine, img->d_w / 2);
 
-                srcLine += img->stride[PLANE_U];
+                srcLine += img->stride[VPX_PLANE_U];
                 dst += img->d_w / 2;
             }
 
-            srcLine = (const uint8_t *)img->planes[PLANE_V];
+            srcLine = (const uint8_t *)img->planes[VPX_PLANE_V];
             for (size_t i = 0; i < img->d_h / 2; ++i) {
                 memcpy(dst, srcLine, img->d_w / 2);
 
-                srcLine += img->stride[PLANE_V];
+                srcLine += img->stride[VPX_PLANE_V];
                 dst += img->d_w / 2;
             }