Include vendor/google/interfaces as a transitive dependency of twoshay.

Bug: 278909669
Test: presubmit
Change-Id: Ie9f2f76777407183e9e9e3792265cf00c3ecc204
diff --git a/touch/twoshay/twoshay.mk b/touch/twoshay/twoshay.mk
index 20bf1ba..bae0975 100644
--- a/touch/twoshay/twoshay.mk
+++ b/touch/twoshay/twoshay.mk
@@ -1,3 +1,3 @@
 BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs-common/touch/twoshay/sepolicy
 PRODUCT_PACKAGES += twoshay
-PRODUCT_SOONG_NAMESPACES += vendor/google/input/twoshay
+PRODUCT_SOONG_NAMESPACES += vendor/google/interfaces vendor/google/input/twoshay