Fix build system for rebase.

Change-Id: Icf454889d6758b663fbe4d43b29b0ae2c1e9f28c
diff --git a/tools/driver/Android.mk b/tools/driver/Android.mk
index aa00a0d..5c54644 100644
--- a/tools/driver/Android.mk
+++ b/tools/driver/Android.mk
@@ -92,7 +92,8 @@
   libLLVMOption \
   libLLVMSupport \
   libLLVMTarget \
-  libLLVMProfileData
+  libLLVMProfileData \
+  libLLVMObject
 
 LOCAL_LDLIBS += -lm
 ifdef USE_MINGW