Add --image-classes to dex2oat

Change-Id: Ia88f9d302e0f9cd72be2199ee46d212d99864c67
diff --git a/build/Android.common.mk b/build/Android.common.mk
index 4b0cdfe..2001c06 100644
--- a/build/Android.common.mk
+++ b/build/Android.common.mk
@@ -169,6 +169,7 @@
 	src/org_apache_harmony_dalvik_ddmc_DdmServer.cc \
 	src/org_apache_harmony_dalvik_ddmc_DdmVmInternal.cc \
 	src/os_linux.cc \
+	src/primitive.cc \
 	src/reference_table.cc \
 	src/reflection.cc \
 	src/runtime.cc \