Bug 573306 - Increment registry version for 4.20

Needed to ensure the same signer is used for the split package
org.eclipse.core.runtime.

Change-Id: I367f0b5348aa61e201402d6138c3a4bb0a5933c0
Signed-off-by: Thomas Watson <tjwatson@us.ibm.com>
Reviewed-on: https://git.eclipse.org/r/c/equinox/rt.equinox.bundles/+/180124
2 files changed