Bug 1155718: Update CLOBBER, r=btian

CLOBBER

@@ -22,4 +22,8 @@
 # changes to stick? As of bug 928195, this shouldn't be necessary! Please
 # don't change CLOBBER for WebIDL changes any more.
 
-Bug 1148639 - libvpx update moved a bunch of files around.
+Bug 1155718: Merge Bluetooth v1/v2 files for all simple cases
+
+This patch set renames source files. This requires updating the
+build system's dependency information from scratch. The issue has
+been reported in bug 1154232.