Fix normalize string for Java 17

Bug: 233029164
Test: EXPERIMENTAL_TARGET_JAVA_VERSION_17=true \
			EXPERIMENTAL_USE_OPENJDK17_TOOLCHAIN=true m
Change-Id: Ic436f813ae19cbdb089c63421ffde70a9cdbd83d
diff --git a/java/java.go b/java/java.go
index feb49ad..2897fd7 100644
--- a/java/java.go
+++ b/java/java.go
@@ -528,7 +528,7 @@
 	case "11":
 		return JAVA_VERSION_11
 	case "17":
-		return JAVA_VERSION_11
+		return JAVA_VERSION_17
 	case "10", "12", "13", "14", "15", "16":
 		ctx.PropertyErrorf("java_version", "Java language level %s is not supported", javaVersion)
 		return JAVA_VERSION_UNSUPPORTED