Fix CTS testFindAccessibilityFocus - fail

If the device has a lower spec, current AccessibilityActivityTestCase
test case timeout may be too aggressive.

The fix is to increase the timeout value(TIMEOUT_ACCESSIBILITY_STATE_IDLE).

Bug 15321054

Change-Id: Id28ed7f3bb99da10132f5e5a7a5452fbe484a58b
Signed-off-by: Benson Huang <benson.huang@mediatek.com>
(cherry picked from commit 7042ecc4c5ad75c15bf10344bbeb2168b4cfb391)
diff --git a/tests/tests/accessibilityservice/src/android/accessibilityservice/cts/AccessibilityActivityTestCase.java b/tests/tests/accessibilityservice/src/android/accessibilityservice/cts/AccessibilityActivityTestCase.java
index c7e4f4c..53f68b5 100644
--- a/tests/tests/accessibilityservice/src/android/accessibilityservice/cts/AccessibilityActivityTestCase.java
+++ b/tests/tests/accessibilityservice/src/android/accessibilityservice/cts/AccessibilityActivityTestCase.java
@@ -37,7 +37,7 @@
     /**
      * The timeout since the last accessibility event to consider the device idle.
      */
-    public static final long TIMEOUT_ACCESSIBILITY_STATE_IDLE = 200;
+    public static final long TIMEOUT_ACCESSIBILITY_STATE_IDLE = 500;
 
     /**
      * @param activityClass