Create ExperimentalTestRunner which is just the same as BazelTestRunner, but a testbed of upcoming changes, without breaking existing test targets.

To use the alternate test runner a java test should add the tag "experimental_testrunner" and depend on "@bazel_tools//tools/jdk:ExperimentalTestRunner_deploy.jar" (instead of @bazel_tools//tools/jdk:TestRunner_deploy.jar)

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PiperOrigin-RevId: 149536298
MOS_MIGRATED_REVID=149536298
diff --git a/src/create_embedded_tools.sh b/src/create_embedded_tools.sh
index 56ddf8d..d814f17 100755
--- a/src/create_embedded_tools.sh
+++ b/src/create_embedded_tools.sh
@@ -48,6 +48,7 @@
     *javac7.jar) OUTPUT_PATH=third_party/java/jdk/langtools/javac7.jar ;;
     *SingleJar_deploy.jar) OUTPUT_PATH=tools/jdk/SingleJar_deploy.jar ;;
     *GenClass_deploy.jar) OUTPUT_PATH=tools/jdk/GenClass_deploy.jar ;;
+    *ExperimentalRunner_deploy.jar) OUTPUT_PATH=tools/jdk/ExperimentalTestRunner_deploy.jar ;;
     *Runner_deploy.jar) OUTPUT_PATH=tools/jdk/TestRunner_deploy.jar ;;
     *ijar.exe) OUTPUT_PATH=tools/jdk/ijar/ijar.exe ;;
     *ijar) OUTPUT_PATH=tools/jdk/ijar/ijar ;;