display: Add cleanspec for display

* Composer 2.1 and composer 2.2 can't exist together
* Clean display headers

Change-Id: If6e7c47d80f7bd0bc3e3e4616df8fa2f5dc12f08
CRs-Fixed: 2347152
diff --git a/CleanSpec.mk b/CleanSpec.mk
new file mode 100644
index 0000000..74fce80
--- /dev/null
+++ b/CleanSpec.mk
@@ -0,0 +1,6 @@
+# Clean old composer
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/vendor/bin/hw/android.hardware.graphics.composer@2.1-service)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/vendor/etc/init/android.hardware.graphics.composer@2.1-service.rc)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/vendor/lib64/hw/android.hardware.graphics.composer@2.1-impl.so)
+#Clean display includes
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/include/qcom/display)