OboeTester: factor out analyzer

So we can use it in CTS or other projects.
diff --git a/apps/OboeTester/app/src/main/cpp/FullDuplexAnalyzer.h b/apps/OboeTester/app/src/main/cpp/FullDuplexAnalyzer.h
index b323ffb..ee12fc1 100644
--- a/apps/OboeTester/app/src/main/cpp/FullDuplexAnalyzer.h
+++ b/apps/OboeTester/app/src/main/cpp/FullDuplexAnalyzer.h
@@ -22,7 +22,7 @@
 
 #include "oboe/Oboe.h"
 #include "FullDuplexStream.h"
-#include "LatencyAnalyzer.h"
+#include "analyzer/LatencyAnalyzer.h"
 #include "MultiChannelRecording.h"
 
 class FullDuplexAnalyzer : public FullDuplexStream {