Merge branch 'stable-3.3'

* stable-3.3:
  Polygerrit: Wipe out license headers in minified gr-app.js
  ReceiveCommits: Avoid use of secondary index in readChangesForReplace
  Fix 'is:submittable' query on multiple submit records
  Fix 'is:submittable' query on multiple submit records
  Update git submodules

Change-Id: I32167e21189b488c9d88d00ca33b3c5c1fd4eda1

polygerrit-ui/app/rollup.config.js

@@ -69,7 +69,13 @@ export default {
   output: {
     format: 'iife',
     compact: true,
-    plugins: [terser()]
+    plugins: [
+      terser({
+        output: {
+          comments: false
+        }
+      })
+    ]
   },
   //Context must be set to window to correctly processing global variables
   context: 'window',