[omaha client] Set update check rate to hourly (for now)

For now, set the update check rate to 1 hr to match the
system-update-checker behavior.

Bug: 46586
Test: fx run-test omaha-client-service-bin-tests
Change-Id: Ie9e665fd789827aebf1b9fe494110133bab27559
diff --git a/src/sys/pkg/bin/omaha-client/src/policy.rs b/src/sys/pkg/bin/omaha-client/src/policy.rs
index 08ddf2c8..b1cdfc3 100644
--- a/src/sys/pkg/bin/omaha-client/src/policy.rs
+++ b/src/sys/pkg/bin/omaha-client/src/policy.rs
@@ -15,8 +15,8 @@
 use std::cmp::max;
 use std::time::Duration;
 
-/// We do periodic update check roughly every 5 hours.
-const PERIODIC_INTERVAL: Duration = Duration::from_secs(5 * 60 * 60);
+/// We do periodic update check roughly every hour.
+const PERIODIC_INTERVAL: Duration = Duration::from_secs(1 * 60 * 60);
 /// Wait at least one minute before checking for updates after startup.
 const STARTUP_DELAY: Duration = Duration::from_secs(60);
 /// Wait 5 minutes before retrying after failed update checks.