Add USB Gadget Hal v1.2 default implementation

Bug: 168282708
Test: build pass
Change-Id: I6894261f1b4fd19664c2a0dcdb737d605a129585
diff --git a/usb/gadget/1.2/default/android.hardware.usb.gadget@1.2-service.rc b/usb/gadget/1.2/default/android.hardware.usb.gadget@1.2-service.rc
new file mode 100644
index 0000000..650b085
--- /dev/null
+++ b/usb/gadget/1.2/default/android.hardware.usb.gadget@1.2-service.rc
@@ -0,0 +1,7 @@
+service vendor.usb-gadget-hal-1-2 /vendor/bin/hw/android.hardware.usb.gadget@1.2-service
+    interface android.hardware.usb.gadget@1.0::IUsbGadget default
+    interface android.hardware.usb.gadget@1.1::IUsbGadget default
+    interface android.hardware.usb.gadget@1.2::IUsbGadget default
+    class hal
+    user system
+    group system shell mtp