Fix ./gradlew spotlessApply and suppress warnings from Scanner in unit test

Author: xiang17

agent/agent-gc-monitor/gc-monitor-tests/src/test/java/com/microsoft/gcmonitortests/GcEventGenerator.java

@@ -25,7 +25,10 @@ public static void main(String[] args) throws InterruptedException {
     new GcEventGenerator().run();
   }
 
-  @SuppressWarnings("SystemOut") // legitimate use of System.out for logging/output
+  @SuppressWarnings({
+    "SystemOut", // legitimate use of System.out for logging/output
+    "JdkObsolete" // Java 8 compatibility requires Scanner(InputStream, String)
+  })
   private void run() throws InterruptedException {
     System.out.println("Hit return to start");
 

agent/agent-tooling/src/main/java/com/microsoft/applicationinsights/agent/internal/configuration/ConfigurationBuilder.java

@@ -865,7 +865,8 @@ private static String overlayConnectionStringFromEnv(
     return null;
   }
 
-  @SuppressWarnings("JdkObsolete") // Java 8 target does not support URLDecoder.decode(String, Charset)
+  @SuppressWarnings(
+      "JdkObsolete") // Java 8 target does not support URLDecoder.decode(String, Charset)
   private static Configuration.Proxy overlayProxyFromEnv(
       Configuration.Proxy proxy, Function<String, String> envVarsFunction) {
     String proxyEnvVar = getEnvVar(APPLICATIONINSIGHTS_PROXY, envVarsFunction);