Add lint to all builds.

Change-Id: I30a366b0b313c8e418de38f0790b087f287f3bdf
diff --git a/target/product/core.mk b/target/product/core.mk
index 27f729c..a8ae68d 100644
--- a/target/product/core.mk
+++ b/target/product/core.mk
@@ -102,7 +102,9 @@
     libz \
     requestsync \
     screencap \
-    sensorservice
+    sensorservice \
+    lint
+
 
 # host-only dependencies
 ifeq ($(WITH_HOST_DALVIK),true)