Make test_options.timeout an int64

Test: m RunSettingsLibRoboTests

Change-Id: I87e185a54474c43a0c5e77a657c28d3403354876
diff --git a/packages/SettingsLib/tests/robotests/Android.bp b/packages/SettingsLib/tests/robotests/Android.bp
index 6c7000e..20c2cf9 100644
--- a/packages/SettingsLib/tests/robotests/Android.bp
+++ b/packages/SettingsLib/tests/robotests/Android.bp
@@ -35,6 +35,6 @@
     java_resource_dirs: ["config"],
     instrumentation_for: "SettingsLibShell",
     test_options: {
-        timeout: "36000",
+        timeout: 36000,
     },
 }