Roll Chromium + Fix Android lint suppressions

* Roll chromium_revision 5bd5874cbf..840e0f7269 (519731:520123)
* Suppress NewApi lint warnings from Chromium.
* Suppress NewApi lint warnings for WebRTCAudio{Track,Utils}.java
* Suppress deprecation warnings for
  FLAG_SHOW_WHEN_LOCKED and FLAG_TURN_SCREEN_ON in LayoutParams
  in examples/androidapp/src/org/appspot/apprtc/CallActivity.java

Change log: 5bd5874cbf..840e0f7269
Full diff: 5bd5874cbf..840e0f7269

Changed dependencies:
* src/base: fc034c4143..5dfdb70192
* src/build: f0766940d5..b1a63aeccd
* src/ios: 49bd74cee7..597d6a0451
* src/testing: 373652d16f..119295dad5
* src/third_party: 34c5bb433a..38215cc4ef
* src/third_party/android_tools: https://chromium.googlesource.com/android_tools.git/+log/9914c57047..a2e9bc7c1b
* src/third_party/catapult: https://chromium.googlesource.com/catapult.git/+log/230a61040f..b0b1ce2c6e
* src/third_party/depot_tools: 1b30125fbc..9e51906ffb
* src/third_party/ffmpeg: 9cb03e5705..18c815f814
* src/tools: 8d915c324e..d5795c8019
DEPS diff: 5bd5874cbf..840e0f7269/DEPS

No update to Clang.

Bug: webrtc:8580
Change-Id: I6b78fd2d10c1f790a7606c19982f00c6a3dde968
Reviewed-on: https://webrtc-review.googlesource.com/26640
Reviewed-by: Henrik Andreassson <henrika@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Reviewed-by: Henrik Grunell <henrikg@webrtc.org>
Commit-Queue: Edward Lemur <ehmaldonado@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20958}

examples/androidapp/src/org/appspot/apprtc/CallActivity.java

@@ -196,6 +196,9 @@ public class CallActivity extends Activity implements AppRTCClient.SignalingEven
   private CpuMonitor cpuMonitor;
 
   @Override
+  // TODO(bugs.webrtc.org/8580): LayoutParams.FLAG_TURN_SCREEN_ON and
+  // LayoutParams.FLAG_SHOW_WHEN_LOCKED are deprecated.
+  @SuppressWarnings("deprecation")
   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     Thread.setDefaultUncaughtExceptionHandler(new UnhandledExceptionHandler(this));