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}

modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioTrack.java

@@ -10,6 +10,7 @@
 
 package org.webrtc.voiceengine;
 
+import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.media.AudioAttributes;
@@ -368,6 +369,9 @@ public class WebRtcAudioTrack {
     return true;
   }
 
+  // TODO(bugs.webrtc.org/8580): Call requires API level 21 (current min is 16):
+  // `android.media.AudioManager#isVolumeFixed`: NewApi [warning]
+  @SuppressLint("NewApi")
   private boolean isVolumeFixed() {
     if (!WebRtcAudioUtils.runningOnLollipopOrHigher())
       return false;

modules/audio_device/android/java/src/org/webrtc/voiceengine/WebRtcAudioUtils.java

@@ -15,6 +15,7 @@ import static android.media.AudioManager.MODE_IN_COMMUNICATION;
 import static android.media.AudioManager.MODE_NORMAL;
 import static android.media.AudioManager.MODE_RINGTONE;
 
+import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.pm.PackageManager;
@@ -244,6 +245,9 @@ public final class WebRtcAudioUtils {
             + "BT SCO: " + audioManager.isBluetoothScoOn());
   }
 
+  // TODO(bugs.webrtc.org/8580): Call requires API level 21 (current min is 16):
+  // `android.media.AudioManager#isVolumeFixed`: NewApi [warning]
+  @SuppressLint("NewApi")
   // Adds volume information for all possible stream types.
   private static void logAudioStateVolume(String tag, AudioManager audioManager) {
     final int[] streams = {