Adds support for OpenSL ES based audio capture on Android

webrtc/modules/audio_device/android/build_info.cc

 /*
  *  Copyright (c) 2015 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.
  */
 
@@ skipping 32 matching lines @@
 }
 
 std::string BuildInfo::GetBuildType() {
   return GetStringFromJava("getBuildType");
 }
 
 std::string BuildInfo::GetBuildRelease() {
   return GetStringFromJava("getBuildRelease");
 }
 
-std::string BuildInfo::GetSdkVersion() {
-  return GetStringFromJava("getSdkVersion");
+int BuildInfo::GetSdkVersion() {
+  jmethodID id = j_build_info_.GetStaticMethodId("getSdkVersion", "()I");
+  jint j_version = j_build_info_.CallStaticIntMethod(id);
+  return j_version;
 }
 
 }  // namespace webrtc