ISSUE 6849488 Bluedroid stack, remove system/bluetooth.

remove system/bluetooth dependency.

bug 6849488

Change-Id: I918d0d2426f22cd4e7bf6390cd887131431c3eff
diff --git a/tools/FM/service/src/jni/Android.mk b/tools/FM/service/src/jni/Android.mk
index f8a701a..c56a514 100644
--- a/tools/FM/service/src/jni/Android.mk
+++ b/tools/FM/service/src/jni/Android.mk
@@ -25,7 +25,6 @@
 
 LOCAL_C_INCLUDES :=\
 	$(JNI_H_INCLUDE) \
-        external/bluetooth/bluez/include \
         external/tinyalsa/include/tinyalsa