Remove some Android lint suppressions.

webrtc/examples/androidtests/src/org/appspot/apprtc/test/FileVideoCapturerTest.java

 /*
  *  Copyright 2016 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 package org.appspot.apprtc.test;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
+import android.os.Environment;
 import android.support.test.filters.LargeTest;
 import android.support.test.filters.MediumTest;
 import android.support.test.filters.SmallTest;
 import java.io.IOException;
 import java.lang.Thread;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
 import org.chromium.base.test.BaseJUnit4ClassRunner;
 import org.junit.Test;
@@ skipping 47 matching lines @@
       }
       return new ArrayList<Frame>(frameDatas);
     }
   }
 
   @Test
   @SmallTest
   public void testVideoCaptureFromFile() throws InterruptedException, IOException {
     final int FRAME_WIDTH = 4;
     final int FRAME_HEIGHT = 4;
-    final FileVideoCapturer fileVideoCapturer = new FileVideoCapturer(
-        "/sdcard/chromium_tests_root/webrtc/examples/androidtests/src/org/appspot/apprtc/test/"
-        + "capturetestvideo.y4m");
+    final FileVideoCapturer fileVideoCapturer =
+        new FileVideoCapturer(Environment.getExternalStorageDirectory().getPath()
+            + "/chromium_tests_root/webrtc/examples/androidtests/src/org/appspot/apprtc/test/"
+            + "capturetestvideo.y4m");
     final MockCapturerObserver capturerObserver = new MockCapturerObserver();
     fileVideoCapturer.initialize(null, null, capturerObserver);
     fileVideoCapturer.startCapture(FRAME_WIDTH, FRAME_HEIGHT, 33);
 
     final String[] expectedFrames = {
         "THIS IS JUST SOME TEXT x", "THE SECOND FRAME qwerty.", "HERE IS THE THRID FRAME!"};
 
     final ArrayList<Frame> frameDatas;
     frameDatas = capturerObserver.getMinimumFramesBlocking(expectedFrames.length);
 
@@ skipping 10 matching lines @@
       assertEquals(FRAME_WIDTH * FRAME_HEIGHT * 3 / 2, frame.data.length);
 
       byte[] expectedNV12Bytes = new byte[frame.data.length];
       FileVideoCapturer.nativeI420ToNV21(expectedFrames[i].getBytes(StandardCharsets.US_ASCII),
           FRAME_WIDTH, FRAME_HEIGHT, expectedNV12Bytes);
 
       assertTrue(Arrays.equals(expectedNV12Bytes, frame.data));
     }
   }
 }