Increase kiosk splash screen min time.

Increasing from 3 to 10 seconds as it now takes around
3 seconds to show the screen on the slow devices.
This is an easy temporary fix.
Perfectly, controller should start timer only when
splash screen is actually shown.

Bug: 890368

Change-Id: I2048a54c1df7f2474cc29eb1d00e06bac3ff1e7f
Reviewed-on: https://chromium-review.googlesource.com/c/1264635Reviewed-by: Jacob Dufault <jdufault@chromium.org>
Commit-Queue: Sergey Poromov <poromov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#597265}

chrome/browser/chromeos/login/app_launch_controller.cc

@@ -60,7 +60,7 @@ enum KioskLaunchType {
 };
 
 // Application install splash screen minimum show time in milliseconds.
-constexpr int kAppInstallSplashScreenMinTimeMS = 3000;
+constexpr int kAppInstallSplashScreenMinTimeMS = 10000;
 
 // Parameters for test:
 bool skip_splash_wait = false;

chrome/browser/chromeos/login/arc_kiosk_controller.cc

@@ -26,7 +26,7 @@ namespace chromeos {
 
 // ARC Kiosk splash screen minimum show time.
 constexpr base::TimeDelta kArcKioskSplashScreenMinTime =
-    base::TimeDelta::FromSeconds(3);
+    base::TimeDelta::FromSeconds(10);
 
 ArcKioskController::ArcKioskController(LoginDisplayHost* host, OobeUI* oobe_ui)
     : host_(host),