Changing user inactivity and warning dialog timeouts

Increasing the inactivity timeout to 90 seconds to accomodate the longest
app. demo video for retail. Also, removing the warning dialog by setting
the countdown timeout to 0, so it can be re-enabled by overriding the value
through gservices if needed.

Bug: 30426773
Bug: 30866394
Change-Id: I6735943adfaf3d210ed9eb9163b5c7ce8dcf53ec
diff --git a/services/retaildemo/java/com/android/server/retaildemo/RetailDemoModeService.java b/services/retaildemo/java/com/android/server/retaildemo/RetailDemoModeService.java
index 7525e87..6b27321 100644
--- a/services/retaildemo/java/com/android/server/retaildemo/RetailDemoModeService.java
+++ b/services/retaildemo/java/com/android/server/retaildemo/RetailDemoModeService.java
@@ -89,8 +89,8 @@
 
     private static final long SCREEN_WAKEUP_DELAY = 2500;
     private static final long USER_INACTIVITY_TIMEOUT_MIN = 10000;
-    private static final long USER_INACTIVITY_TIMEOUT_DEFAULT = 30000;
-    private static final long WARNING_DIALOG_TIMEOUT_DEFAULT = 6000;
+    private static final long USER_INACTIVITY_TIMEOUT_DEFAULT = 90000;
+    private static final long WARNING_DIALOG_TIMEOUT_DEFAULT = 0;
     private static final long MILLIS_PER_SECOND = 1000;
 
     private static final int[] VOLUME_STREAMS_TO_MUTE = {