sm8450-common: Add libdrm to vendor

Change-Id: Ic976dbe0b79faf493633496a4e20fa61d2fc2e9b

common.mk

@@ -136,7 +136,8 @@ PRODUCT_PACKAGES += \
 
 # DRM
 PRODUCT_PACKAGES += \
-    android.hardware.drm@1.4-service.clearkey
+    android.hardware.drm@1.4-service.clearkey \
+    libdrm.vendor
 
 # Dumpstate
 PRODUCT_PACKAGES += \