sm8350-common: Work around using prebuilt HWC

After enabling ELF checks and switching prebuilts to modules,
the init and vintf files are no longer automatically built.

Change-Id: I48fcab53a7c8128b18e1399d9afadcfd5c85b116

common.mk

@@ -138,7 +138,9 @@ PRODUCT_PACKAGES += \
     android.hardware.memtrack@1.0-impl \
     android.hardware.memtrack@1.0-service \
     vendor.qti.hardware.display.allocator-service \
-    vendor.qti.hardware.display.composer-service
+    vendor.qti.hardware.display.composer-service \
+    vendor.qti.hardware.display.composer-service.rc \
+    vendor.qti.hardware.display.composer-service.xml
 
 PRODUCT_PACKAGES += \
     libqdMetaData.system \