[CTS] - Set test runtimes

bug: 27747405
Change-Id: If08ec156678d5435c88d9f179d3bacd064493aff
diff --git a/tests/filesystem/AndroidTest.xml b/tests/filesystem/AndroidTest.xml
index 1962357..d05134d 100644
--- a/tests/filesystem/AndroidTest.xml
+++ b/tests/filesystem/AndroidTest.xml
@@ -20,6 +20,6 @@
     </target_preparer>
     <test class="com.android.tradefed.testtype.AndroidJUnitTest" >
         <option name="package" value="android.filesystem.cts" />
-        <option name="runtime-hint" value="9m" />
+        <option name="runtime-hint" value="22m48s" />
     </test>
-</configuration>
\ No newline at end of file
+</configuration>