rename unified email's package name to com.android.mail

New code needs a new package name. Fixes IDE conflicts when
browsing.

Change-Id: I328484c6d6c71df077a05d2f7d6d1e85074107c2
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 5808b42..f663aae 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -47,4 +47,5 @@
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/APPS/UnifiedEmail_intermediates)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/APPS/UnifiedEmail_intermediates)
\ No newline at end of file