omni: enable WITH_DEXPREOPT_PIC for official builds

Change-Id: Ie1d819aa708e663b121bd016facd02a3dc01bee8
diff --git a/config/common.mk b/config/common.mk
index 448e232..09eb0de 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -86,21 +86,25 @@
 ifeq ($(ROM_BUILDTYPE),NIGHTLY)
     ifeq ($(WITH_DEXPREOPT),)
         WITH_DEXPREOPT := true
+        WITH_DEXPREOPT_PIC := true
     endif
 endif
 # and weeklies
 ifeq ($(ROM_BUILDTYPE),WEEKLY)
     ifeq ($(WITH_DEXPREOPT),)
         WITH_DEXPREOPT := true
+        WITH_DEXPREOPT_PIC := true
     endif
 endif
 # and security releases
 ifeq ($(ROM_BUILDTYPE),SECURITY_RELEASE)
     ifeq ($(WITH_DEXPREOPT),)
         WITH_DEXPREOPT := true
+        WITH_DEXPREOPT_PIC := true
     endif
 endif
 # but not homemades
 ifeq ($(ROM_BUILDTYPE),HOMEMADE)
     WITH_DEXPREOPT := false
+    WITH_DEXPREOPT_PIC := false
 endif