JDK 14 RFR of JDK-8214546: Start of release updates for JDK 14

[Joseph D. Darcy]

Hello,

Please have an early review the start-of-release builds updates for JDK 
14 ahead of the upcoming fork:

     http://cr.openjdk.java.net/~darcy/jdk14-fork.2/

Unlike previous start-of-release changesets, this one also includes the 
"symbol" data used by javac --release.

After the next JDK 13 build promotes, I'll do a clean regeneration of  
the symbol data based on that build. I'll also resync and do at least 
one more build and test cycle, etc.

Thanks,

-Joe

--- old/make/autoconf/version-numbers    2019-05-17 09:42:34.896000000 -0700
+++ new/make/autoconf/version-numbers    2019-05-17 09:42:34.532000000 -0700
@@ -25,18 +25,18 @@

  # Default version numbers to use unless overridden by configure

-DEFAULT_VERSION_FEATURE=13
+DEFAULT_VERSION_FEATURE=14
  DEFAULT_VERSION_INTERIM=0
  DEFAULT_VERSION_UPDATE=0
  DEFAULT_VERSION_PATCH=0
  DEFAULT_VERSION_EXTRA1=0
  DEFAULT_VERSION_EXTRA2=0
  DEFAULT_VERSION_EXTRA3=0
-DEFAULT_VERSION_DATE=2019-09-17
-DEFAULT_VERSION_CLASSFILE_MAJOR=57  # "`$EXPR $DEFAULT_VERSION_FEATURE 
+ 44`"
+DEFAULT_VERSION_DATE=2020-03-17
+DEFAULT_VERSION_CLASSFILE_MAJOR=58  # "`$EXPR $DEFAULT_VERSION_FEATURE 
+ 44`"
  DEFAULT_VERSION_CLASSFILE_MINOR=0
-DEFAULT_ACCEPTABLE_BOOT_VERSIONS="12 13"
-DEFAULT_JDK_SOURCE_TARGET_VERSION=13
+DEFAULT_ACCEPTABLE_BOOT_VERSIONS="12 13 14"
+DEFAULT_JDK_SOURCE_TARGET_VERSION=14
  DEFAULT_PROMOTED_VERSION_PRE=ea

  LAUNCHER_NAME=openjdk