Make the jdk_25 tests compile

Change-Id: I1da2cd62a2f83d26b8dfc5c502ee571c58c035fb

d8_r8/test_modules/tests_java_25/build.gradle.kts

diff --git a/d8_r8/test_modules/tests_java_25/build.gradle.kts b/d8_r8/test_modules/tests_java_25/build.gradle.kts
index 49b16ca..7123a46 100644
--- a/d8_r8/test_modules/tests_java_25/build.gradle.kts
+++ b/d8_r8/test_modules/tests_java_25/build.gradle.kts
@@ -33,7 +33,10 @@
 }
 
 tasks {
-  withType<JavaCompile> { dependsOn(sharedDownloadDepsTask) }
+  withType<JavaCompile> {
+    dependsOn(sharedDownloadDepsTask)
+    options.compilerArgs.add("--enable-preview")
+  }
 
   withType<Test> {
     notCompatibleWithConfigurationCache(