AudioFlinger: Extract inner Thread classes

Test: atest audiorecord_tests audiotrack_tests audiorouting_tests trackplayerbase_tests audiosystem_tests
Test: atest AAudioTests AudioTrackOffloadTest
Test: atest AudioTrackTest AudioRecordTest
Test: YouTube Camera
Bug: 288339104
Bug: 289233517
Merged-In: I642498760a50a5b55751f090627f75ad5adb5468
Change-Id: I642498760a50a5b55751f090627f75ad5adb5468
diff --git a/services/audioflinger/IAfEffect.h b/services/audioflinger/IAfEffect.h
index 069c5a4..cff0f73 100644
--- a/services/audioflinger/IAfEffect.h
+++ b/services/audioflinger/IAfEffect.h
@@ -364,4 +364,4 @@
     virtual status_t removeEffectFromHal(const sp<EffectHalInterface>& effect) = 0;
 };
 
-} // namespace android
+}  // namespace android