aaudio: cleanup code that reads timing model

Only use the clock model for the position when
it is running and when the service is not updating
the FIFO counter.

Bug: 120932593
Bug: 122374244
Test: test_return_stop
Test: test_return_stop -i
Change-Id: I6d6a23b35dca5529b6221e1b3b4a4e6672093bf2
diff --git a/media/libaaudio/src/client/AudioStreamInternalCapture.cpp b/media/libaaudio/src/client/AudioStreamInternalCapture.cpp
index 7dcb620..a6cc45b 100644
--- a/media/libaaudio/src/client/AudioStreamInternalCapture.cpp
+++ b/media/libaaudio/src/client/AudioStreamInternalCapture.cpp
@@ -210,17 +210,12 @@
 }
 
 int64_t AudioStreamInternalCapture::getFramesWritten() {
-    int64_t framesWrittenHardware;
-    if (isActive()) {
-        framesWrittenHardware = mClockModel.convertTimeToPosition(AudioClock::getNanoseconds());
-    } else {
-        framesWrittenHardware = mAudioEndpoint.getDataWriteCounter();
-    }
-    // Prevent retrograde motion.
+    const int64_t framesWrittenHardware = isClockModelInControl()
+            ? mClockModel.convertTimeToPosition(AudioClock::getNanoseconds())
+            : mAudioEndpoint.getDataWriteCounter();
+    // Add service offset and prevent retrograde motion.
     mLastFramesWritten = std::max(mLastFramesWritten,
                                   framesWrittenHardware + mFramesOffsetFromService);
-    //ALOGD("getFramesWritten() returns %lld",
-    //      (long long)mLastFramesWritten);
     return mLastFramesWritten;
 }