Revert "Setting Java 11 as the default version"

Revert submission 1944928-default-java11

Reason for revert: Post-submit failures
Reverted Changes:
Ia9a0aa2a4:Setting Java 11 as the default version
Ibf5d10521:Setting Java 11 as the default version

Fixes: 215504708
Fixes: 215502091
Fixes: 215502091
Change-Id: I2f9866deff41406aede24758f6eda5e5808c7f29
diff --git a/java/java.go b/java/java.go
index e3e9721..bb7c32b 100644
--- a/java/java.go
+++ b/java/java.go
@@ -450,8 +450,14 @@
 		return normalizeJavaVersion(ctx, javaVersion)
 	} else if ctx.Device() {
 		return defaultJavaLanguageVersion(ctx, sdkContext.SdkVersion(ctx))
-	} else {
+	} else if ctx.Config().TargetsJava11() {
+		// Temporary experimental flag to be able to try and build with
+		// java version 11 options.  The flag, if used, just sets Java
+		// 11 as the default version, leaving any components that
+		// target an older version intact.
 		return JAVA_VERSION_11
+	} else {
+		return JAVA_VERSION_9
 	}
 }