6952178: Fork HS18 to HS19 - renumber Major and build numbers of JVM

Summary: Update the Major and build numbers for HS19 fork
Reviewed-by: jcoomes

make/hotspot_version

@@ -33,9 +33,9 @@
 # Don't put quotes (fail windows build).
 HOTSPOT_VM_COPYRIGHT=Copyright 2010
 
-HS_MAJOR_VER=18
+HS_MAJOR_VER=19
 HS_MINOR_VER=0
-HS_BUILD_NUMBER=04
+HS_BUILD_NUMBER=01
 
 JDK_MAJOR_VER=1
 JDK_MINOR_VER=7