Move ADM Create() method to public interface.

webrtc/modules/audio_device/android/audio_device_unittest.cc

Index: webrtc/modules/audio_device/android/audio_device_unittest.cc
diff --git a/webrtc/modules/audio_device/android/audio_device_unittest.cc b/webrtc/modules/audio_device/android/audio_device_unittest.cc
index 7655c820adab66bf0e7d7848fde758a0f3abc5e8..48944f57726f2ffb8357557e22c9f94a66a7d4f7 100644
--- a/webrtc/modules/audio_device/android/audio_device_unittest.cc
+++ b/webrtc/modules/audio_device/android/audio_device_unittest.cc
@@ -562,7 +562,7 @@ class AudioDeviceTest : public ::testing::Test {
   rtc::scoped_refptr<AudioDeviceModule> CreateAudioDevice(
       AudioDeviceModule::AudioLayer audio_layer) {
     rtc::scoped_refptr<AudioDeviceModule> module(
-        AudioDeviceModuleImpl::Create(0, audio_layer));
+        AudioDeviceModule::Create(0, audio_layer));
     return module;
   }