Reduce the time test waits before invoking verifyPendingInstall().

This broadcast receiver only has a runtime of 10 secs. It cannot
wait for 15 secs in the receiver.

Bug: 322549023
Test: atest ./tests/tests/content/src/android/content/pm/cts/PackageManagerShellCommandInstallTest.java
Change-Id: Ie5563f003ab4f2d4879abf99f5769f6b795ac08a
diff --git a/tests/tests/content/HelloWorldApp/src_verifier/com/example/helloverifier/DelayedRejectReceiver.java b/tests/tests/content/HelloWorldApp/src_verifier/com/example/helloverifier/DelayedRejectReceiver.java
index 0086cef..739ba93 100644
--- a/tests/tests/content/HelloWorldApp/src_verifier/com/example/helloverifier/DelayedRejectReceiver.java
+++ b/tests/tests/content/HelloWorldApp/src_verifier/com/example/helloverifier/DelayedRejectReceiver.java
@@ -39,11 +39,11 @@
         context.getPackageManager().extendVerificationTimeout(id, PackageManager.VERIFICATION_ALLOW,
                 30000);
         final PendingResult pendingResult = goAsync();
-        // Reject after 15secs.
+        // Reject after 5 secs.
         (new Handler(context.getMainLooper())).postDelayed(() -> {
             context.getPackageManager().verifyPendingInstall(id,
                     PackageManager.VERIFICATION_REJECT);
             pendingResult.finish();
-        }, 15000);
+        }, 5000);
     }
 }