Revert "odrefresh: temporarily disable system_server artifact test"

This reverts commit 6c30777a278d24e1a4c3226405416a85e6523d3f.

Bug: 180949581
Test: atest odsign_e2e_tests
Change-Id: Icce47524668dd2a92e7128af8242066741563e95

test/odsign/test-src/com/android/tests/odsign/OnDeviceSigningHostTest.java

diff --git a/test/odsign/test-src/com/android/tests/odsign/OnDeviceSigningHostTest.java b/test/odsign/test-src/com/android/tests/odsign/OnDeviceSigningHostTest.java
index d680477..e44bc80 100644
--- a/test/odsign/test-src/com/android/tests/odsign/OnDeviceSigningHostTest.java
+++ b/test/odsign/test-src/com/android/tests/odsign/OnDeviceSigningHostTest.java
@@ -225,11 +225,7 @@
         // having a separate test because the device reboots between each @Test method and
         // that is an expensive use of time.
         verifyZygotesLoadedArtifacts();
-
-        // Temporarily disable system_server artifacts test (b/180949581).
-        if (false) {
-            verifySystemServerLoadedArtifacts();
-        }
+        verifySystemServerLoadedArtifacts();
     }
 
     private boolean haveCompilationLog() throws Exception {