Avoid using OMX.qcom.audio.decoder.mp3 on HTC Butterfly.

This OMX component is listed but can't be instantiated on this device.

According to the GitHub issue, some other devices are also affected, so these
will have to be added too.

Issue: #377

library/src/main/java/com/google/android/exoplayer/MediaCodecUtil.java

@@ -134,8 +134,7 @@ public class MediaCodecUtil {
     for (int i = 0; i < numberOfCodecs; i++) {
       MediaCodecInfo info = mediaCodecList.getCodecInfoAt(i);
       String codecName = info.getName();
-      if (!info.isEncoder() && codecName.startsWith("OMX.")
+      if (isCodecUsableDecoder(info, codecName, secureDecodersExplicit)) {
-          && (secureDecodersExplicit || !codecName.endsWith(".secure"))) {
         String[] supportedTypes = info.getSupportedTypes();
         for (int j = 0; j < supportedTypes.length; j++) {
           String supportedType = supportedTypes[j];
@@ -166,6 +165,28 @@ public class MediaCodecUtil {
     return null;
   }
 
+  /**
+   * Returns whether the specified codec is usable for decoding on the current device.
+   */
+  private static boolean isCodecUsableDecoder(MediaCodecInfo info, String name,
+      boolean secureDecodersExplicit) {
+    if (info.isEncoder() || !name.startsWith("OMX.")
+        || (!secureDecodersExplicit && name.endsWith(".secure"))) {
+      return false;
+    }
+
+    // Workaround an issue where creating a particular MP3 decoder on some HTC devices on platform
+    // API version 16 crashes mediaserver.
+    if (Util.SDK_INT == 16
+        && ("dlxu".equals(Util.PRODUCT) // HTC Butterfly
+            || "protou".equals(Util.PRODUCT)) // HTC Desire X
+        && name.equals("OMX.qcom.audio.decoder.mp3")) {
+      return false;
+    }
+
+    return true;
+  }
+
   private static boolean isAdaptive(CodecCapabilities capabilities) {
     if (Util.SDK_INT >= 19) {
       return isAdaptiveV19(capabilities);

library/src/main/java/com/google/android/exoplayer/util/Util.java

@@ -59,6 +59,12 @@ public final class Util {
    */
   public static final int SDK_INT = android.os.Build.VERSION.SDK_INT;
 
+  /**
+   * Like {@link android.os.Build#PRODUCT}, but in a place where it can be conveniently overridden
+   * for local testing.
+   */
+  public static final String PRODUCT = android.os.Build.PRODUCT;
+
   private static final Pattern XS_DATE_TIME_PATTERN = Pattern.compile(
       "(\\d\\d\\d\\d)\\-(\\d\\d)\\-(\\d\\d)[Tt]"
       + "(\\d\\d):(\\d\\d):(\\d\\d)(\\.(\\d+))?"