JDK 17 requires a new gradle (?!)

Use Gradle 8.1.1, fix `build.gradle` so it works with Gradle 8.1.1.

Author: jonpryor

build-tools/gradle/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

tools/java-source-utils/build.gradle

@@ -52,11 +52,12 @@ jar {
     } {
         exclude 'META-INF/*.RSA', 'META-INF/*.SF', 'META-INF/*.DSA'
     }
-    archiveName 'java-source-utils.jar'
+    archiveFileName.set('java-source-utils.jar')
 }
 
 test {
     reports {
-        junitXml.enabled = true
+        junitXml {
+        }
     }
 }

tools/java-source-utils/src/test/java/com/microsoft/android/JavaSourceUtilsOptionsTest.java

@@ -9,8 +9,6 @@
 
 import org.junit.Test;
 
-import jdk.nashorn.internal.AssertsEnabled;
-
 import static org.junit.Assert.*;
 
 public class JavaSourceUtilsOptionsTest {