Include what you use
Bug:
163134718
Tag: #refactor
Test: compile & verify basic functions working
Change-Id: I44ea2867d5933a0cbf5f382145cf28ea643f3061
#include <cstdint>
-#include "bta_ag_api.h"
-#include "bta_ag_at.h"
-#include "bta_api.h"
-#include "bta_sys.h"
+#include "bta/ag/bta_ag_at.h"
+#include "bta/include/bta_ag_api.h"
+#include "bta/include/bta_api.h"
+#include "bta/sys/bta_sys.h"
/*****************************************************************************
* Constants