AMBARI-10458 [WinTP2] HBase: hbase.regionserver.global.memstore.size is not initialized

Added the missing parameter

ambari-server/src/main/resources/stacks/HDPWIN/2.2/services/HBASE/configuration/hbase-site.xml

@@ -61,5 +61,14 @@
     worse, we OOME.
     </description>
   </property>
+  <property>
+    <name>hbase.regionserver.global.memstore.size</name>
+    <value>0.4</value>
+    <description>Maximum size of all memstores in a region server before new
+      updates are blocked and flushes are forced. Defaults to 40% of heap.
+      Updates are blocked and flushes are forced until size of all memstores
+      in a region server hits hbase.regionserver.global.memstore.size.lower.limit.
+    </description>
+  </property>
 
 </configuration>