Move AudioDeviceTypeAddr to libaudiofoundation.

Move AudioDeviceTypeAddr from AudioPolicy.h to libaudiofoundation.
AudioDeviceTypeAddr is a class that contains audio device type and
address. It can be used not only in audio policy, but also other places.

Bug: 135621476
Test: make, atest AudioHostTest
Change-Id: Ib257859891c647c07f22771012efdada438a4ff5
diff --git a/media/libaudiofoundation/Android.bp b/media/libaudiofoundation/Android.bp
index edc06d2..93bc4d9 100644
--- a/media/libaudiofoundation/Android.bp
+++ b/media/libaudiofoundation/Android.bp
@@ -19,6 +19,7 @@
 
     srcs: [
         "AudioContainers.cpp",
+        "AudioDeviceTypeAddr.cpp",
         "AudioGain.cpp",
         "AudioPort.cpp",
         "AudioProfile.cpp",