Android: Move Histogram from api to src.

webrtc/sdk/android/BUILD.gn

 # Copyright (c) 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.
 
 import("//webrtc/webrtc.gni")
 import("//build/config/android/config.gni")
@@ skipping 129 matching lines @@
     "api/org/webrtc/DtmfSender.java",
     "api/org/webrtc/EglBase.java",
     "api/org/webrtc/EglBase10.java",
     "api/org/webrtc/EglBase14.java",
     "api/org/webrtc/EglRenderer.java",
     "api/org/webrtc/FileVideoCapturer.java",
     "api/org/webrtc/GlRectDrawer.java",
     "api/org/webrtc/GlShader.java",
     "api/org/webrtc/GlTextureFrameBuffer.java",
     "api/org/webrtc/GlUtil.java",
-    "api/org/webrtc/Histogram.java",
     "api/org/webrtc/IceCandidate.java",
     "api/org/webrtc/MediaCodecVideoDecoder.java",
     "api/org/webrtc/MediaCodecVideoEncoder.java",
     "api/org/webrtc/MediaConstraints.java",
     "api/org/webrtc/MediaSource.java",
     "api/org/webrtc/MediaStream.java",
     "api/org/webrtc/MediaStreamTrack.java",
     "api/org/webrtc/NetworkMonitor.java",
     "api/org/webrtc/NetworkMonitorAutoDetect.java",
     "api/org/webrtc/PeerConnection.java",
@@ skipping 12 matching lines @@
     "api/org/webrtc/VideoCapturer.java",
     "api/org/webrtc/VideoCapturerAndroid.java",
     "api/org/webrtc/VideoFileRenderer.java",
     "api/org/webrtc/VideoRenderer.java",
     "api/org/webrtc/VideoSource.java",
     "api/org/webrtc/VideoTrack.java",
     "src/java/org/webrtc/Camera1Session.java",
     "src/java/org/webrtc/Camera2Session.java",
     "src/java/org/webrtc/CameraCapturer.java",
     "src/java/org/webrtc/CameraSession.java",
+    "src/java/org/webrtc/Histogram.java",
     "src/java/org/webrtc/YuvConverter.java",
   ]
 
   deps = [
     "//webrtc/base:base_java",
     "//webrtc/modules/audio_device:audio_device_java",
   ]
 }
 
 android_library("libjingle_peerconnection_metrics_default_java") {
@@ skipping 38 matching lines @@
       "//third_party/android_support_test_runner:runner_java",
       "//third_party/junit",
       "//webrtc/base:base_java",
       "//webrtc/sdk/android:libjingle_peerconnection_java",
       "//webrtc/sdk/android:libjingle_peerconnection_metrics_default_java",
     ]
 
     shared_libraries = [ "//webrtc/sdk/android:libjingle_peerconnection_so" ]
   }
 }