Slightly relax the timeout condition for testMinimumDownload

Change-Id: I5706d30b1f3a3d1a69c4ec9b0646e95a81ede257
diff --git a/tests/tests/app/src/android/app/cts/DownloadManagerTest.java b/tests/tests/app/src/android/app/cts/DownloadManagerTest.java
index 84faffa..a68d860 100644
--- a/tests/tests/app/src/android/app/cts/DownloadManagerTest.java
+++ b/tests/tests/app/src/android/app/cts/DownloadManagerTest.java
@@ -49,7 +49,7 @@
     private static final int MINIMUM_DOWNLOAD_BYTES = 100 * 1024 * 1024;
 
     private static final long SHORT_TIMEOUT = 5 * DateUtils.SECOND_IN_MILLIS;
-    private static final long LONG_TIMEOUT = 2 * DateUtils.MINUTE_IN_MILLIS;
+    private static final long LONG_TIMEOUT = 3 * DateUtils.MINUTE_IN_MILLIS;
 
     private DownloadManager mDownloadManager;