Unhide MediaExtractor.getPsshInfo()

b/9373882

Change-Id: I2af42656d6a7eb19e8e9ec798b615dab0d9d33cb

api/current.txt

@@ -11883,6 +11883,7 @@ package android.media {
     ctor public MediaExtractor();
     method public boolean advance();
     method public long getCachedDuration();
+    method public java.util.Map<java.util.UUID, byte[]> getPsshInfo();
     method public boolean getSampleCryptoInfo(android.media.MediaCodec.CryptoInfo);
     method public int getSampleFlags();
     method public long getSampleTime();

media/java/android/media/MediaExtractor.java

@@ -199,9 +199,9 @@ final public class MediaExtractor {
     public native final int getTrackCount();
 
     /**
-     * Get the PSSH info if present. This returns a map of uuid-to-bytes, with the uuid specifying
+     * Get the PSSH info if present.
+     * @return a map of uuid-to-bytes, with the uuid specifying
      * the crypto scheme, and the bytes being the data specific to that scheme.
-     * {@hide}
      */
     public Map<UUID, byte[]> getPsshInfo() {
         Map<UUID, byte[]> psshMap = null;