Cleanup vendor_boot artifacts in PRODUCT_OUT on installclean

This makes sure that we don't keep old vendor_boot artifacts around
after a clean.

Signed-off-by: Will McVicker <willmcvicker@google.com>
Fixes: 151957122
Bug: 151949371
Test: touch $OUT/vendor-ramdisk/test-file && make installclean
Change-Id: I357929583f234212a998dceaa31506fce42e0255
diff --git a/ui/build/cleanbuild.go b/ui/build/cleanbuild.go
index 36d4f04..95d049a 100644
--- a/ui/build/cleanbuild.go
+++ b/ui/build/cleanbuild.go
@@ -111,6 +111,9 @@
 		productOut("obj/PACKAGING"),
 		productOut("ramdisk"),
 		productOut("debug_ramdisk"),
+		productOut("vendor-ramdisk"),
+		productOut("vendor-ramdisk-debug.cpio.gz"),
+		productOut("vendor_debug_ramdisk"),
 		productOut("test_harness_ramdisk"),
 		productOut("recovery"),
 		productOut("root"),