Frameworks: Annotate JUnit4 test with @Test

Mollify Errorprone.

Bug: 72076216
Test: m javac-check RUN_ERROR_PRONE=true
Test: atest IpSecServiceParameterizedTest
Change-Id: Ia3a253c4c5994937efc0f498ac047c5fb4eee3e9

tests/net/java/com/android/server/IpSecServiceParameterizedTest.java

@@ -281,6 +281,7 @@ public class IpSecServiceParameterizedTest {
                         anyInt());
     }
 
+    @Test
     public void testCreateTwoTransformsWithSameSpis() throws Exception {
         IpSecConfig ipSecConfig = new IpSecConfig();
         addDefaultSpisAndRemoteAddrToIpSecConfig(ipSecConfig);