Reorder key-values in meta header to match other clients elastic#334 (elastic#535)

Author: Ankit-Khachane

java-client/src/main/java/co/elastic/clients/transport/rest_client/RestClientOptions.java

@@ -211,9 +211,9 @@ private static String getClientMeta() {
             + metaVersion
             + ",jv="
             + System.getProperty("java.specification.version")
-            + ",hl=2"
             + ",t="
             + metaVersion
+            + ",hl=2"
             + ",hc="
             + (httpClientVersion == null ? "" : httpClientVersion.getRelease())
             + LanguageRuntimeVersions.getRuntimeMetadata();