Remove swallowed exception in runPipelines

Author: VeneetReddyK

lib/src/main/java/net/ypresto/androidtranscoder/engine/MediaTranscoderEngine.java

@@ -180,7 +180,7 @@ public void onDetermineOutputFormat() {
         mExtractor.selectTrack(trackResult.mAudioTrackIndex);
     }
 
-    private void runPipelines() {
+    private void runPipelines() throws InterruptedException {
         long loopCount = 0;
         if (mDurationUs <= 0) {
             double progress = PROGRESS_UNKNOWN;
@@ -199,11 +199,7 @@ private void runPipelines() {
                 if (mProgressCallback != null) mProgressCallback.onProgress(progress);
             }
             if (!stepped) {
-                try {
-                    Thread.sleep(SLEEP_TO_WAIT_TRACK_TRANSCODERS);
-                } catch (InterruptedException e) {
-                    // nothing to do
-                }
+                Thread.sleep(SLEEP_TO_WAIT_TRACK_TRANSCODERS);
             }
         }
     }