6828076: Fork HS15 to HS16 - renumber Major and build numbers of JVM

Summary: Update the Hotspot version number to HS16 B01 for HS16 fork
Reviewed-by: jcoomes

make/hotspot_version

@@ -33,9 +33,9 @@
 # Don't put quotes (fail windows build).
 HOTSPOT_VM_COPYRIGHT=Copyright 2009
 
-HS_MAJOR_VER=15
+HS_MAJOR_VER=16
 HS_MINOR_VER=0
-HS_BUILD_NUMBER=05
+HS_BUILD_NUMBER=01
 
 JDK_MAJOR_VER=1
 JDK_MINOR_VER=7