Fix Kyeth for Java 25 (#3002)

Author: weiminyu

build.gradle

@@ -200,6 +200,7 @@ allprojects {
                                 "--add-exports",
                                 "jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED"]
         options.forkOptions.jvmArgs = ["-J--add-exports=jdk.compiler/com.sun.tools.javac.main=ALL-UNNAMED",
+                                       "-J--add-exports=jdk.compiler/com.sun.tools.javac.model=ALL-UNNAMED",
                                        "-J--add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED",
                                        "-J--add-exports=jdk.compiler/com.sun.tools.javac.comp=ALL-UNNAMED",
                                        "-J--add-exports=jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED",

release/cloudbuild-kythe.yaml

@@ -31,6 +31,7 @@ steps:
     export JAVAC_EXTRACTOR_JAR="$${PWD}/kythe/extractors/javac_extractor.jar"
     jvmopts="--add-exports=jdk.compiler/com.sun.tools.javac.main=ALL-UNNAMED"
     jvmopts="$${jvmopts} --add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED"
+    jvmopts="$${jvmopts} --add-exports=jdk.compiler/com.sun.tools.javac.model=ALL-UNNAMED"
     jvmopts="$${jvmopts} --add-exports=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED"
     jvmopts="$${jvmopts} --add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED"
     jvmopts="$${jvmopts} --add-exports=jdk.compiler/com.sun.tools.javac.code=ALL-UNNAMED"