Fix wrong result from IsKnownUnaccelerated() even if there are H/W acceleratable codecs.

media/base/android/media_codec_bridge.cc

Index: media/base/android/media_codec_bridge.cc
diff --git a/media/base/android/media_codec_bridge.cc b/media/base/android/media_codec_bridge.cc
index 92b2791506d3eef0e67a67c24ae7185de1d8db30..7ece5d558e6fa03937e5efc3b6fb1a1d5cbcccfb 100644
--- a/media/base/android/media_codec_bridge.cc
+++ b/media/base/android/media_codec_bridge.cc
@@ -176,7 +176,8 @@ bool MediaCodecBridge::IsKnownUnaccelerated(const std::string& mime_type,
       // It would be nice if MediaCodecInfo externalized some notion of
       // HW-acceleration but it doesn't. Android Media guidance is that the
       // prefix below is always used for SW decoders, so that's what we use.
-      return StartsWithASCII(codecs_info[i].name, "OMX.google.", true);
+      if (!StartsWithASCII(codecs_info[i].name, "OMX.google.", true))
+        return false;
     }
   }
   return true;