Change suggestion update delay from 100ms to 180ms to avoid flashy suggestion strip with quick multi-finger typing.

bug: 3122641
Change-Id: I385f9eb2e392487d7b4c252553d1f8d7c21da2e4
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index a0d797c..3663442 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -137,6 +137,9 @@
     private static final int MSG_VOICE_RESULTS = 3;
     private static final int MSG_UPDATE_OLD_SUGGESTIONS = 4;
 
+    private static final int DELAY_UPDATE_SUGGESTIONS = 180;
+    private static final int DELAY_UPDATE_OLD_SUGGESTIONS = 300;
+
     // How many continuous deletes at which to start deleting at a higher speed.
     private static final int DELETE_ACCELERATE_AT = 20;
     // Key events coming any faster than this are long-presses.
@@ -1581,12 +1584,14 @@
 
     private void postUpdateSuggestions() {
         mHandler.removeMessages(MSG_UPDATE_SUGGESTIONS);
-        mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_UPDATE_SUGGESTIONS), 100);
+        mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_UPDATE_SUGGESTIONS),
+                DELAY_UPDATE_SUGGESTIONS);
     }
 
     private void postUpdateOldSuggestions() {
         mHandler.removeMessages(MSG_UPDATE_OLD_SUGGESTIONS);
-        mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_UPDATE_OLD_SUGGESTIONS), 300);
+        mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_UPDATE_OLD_SUGGESTIONS),
+                DELAY_UPDATE_OLD_SUGGESTIONS);
     }
 
     private boolean isPredictionOn() {