Revert "Decrease Generate Suggestion Debounce Delay to 500ms"

This reverts commit b476845a17f7ed74549c4f95eaa86ef179e8db95. It
produces fast enough ref updates to overload the server and produce
LOCK_FAILURE errors: b/334152789.

Release-Notes: skip
Google-Bug-Id: b/330832131
Google-Bug-Id: b/334152789
Change-Id: I3f21bf68f5a3d1f9fe8b893adcbc5f896fb6353a
diff --git a/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts b/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts
index e9629b4..792d30b 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts
+++ b/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts
@@ -90,7 +90,7 @@
 
 // visible for testing
 export const AUTO_SAVE_DEBOUNCE_DELAY_MS = 2000;
-export const GENERATE_SUGGESTION_DEBOUNCE_DELAY_MS = 500;
+export const GENERATE_SUGGESTION_DEBOUNCE_DELAY_MS = 1500;
 export const ENABLE_GENERATE_SUGGESTION_STORAGE_KEY =
   'enableGenerateSuggestionStorageKeyForCommentWithId-';