Move Bluetooth headers to system/bt (1/3)

Bug: 67853426
Test: run Bluetooth
Change-Id: I75748d29a35d10d377d39e0441116dbfd04c82e9
diff --git a/Android.bp b/Android.bp
index 91ee232..d8b884f 100644
--- a/Android.bp
+++ b/Android.bp
@@ -11,6 +11,7 @@
     "osi",
     "embdrv",
     "service",
+    "include",
     "main",
     "bta",
     "vendor_libs",