Explicitly add jdk.crypto.ec to the list of modules.

This is necessary because TLSv1.3 needs that module, but jdeps doesn't
list this in the reduced modules list.
Without that we get handshake errors while downloading stuff from
github external repositories.

RELNOTES: None

src/minimize_jdk.sh

@@ -24,6 +24,9 @@ if [ "$1" == "--allmodules" ]; then
   modules="ALL-MODULE-PATH"
 else
   modules=$(cat "$2" | paste -sd "," - | tr -d '\r')
+  # We have to add this module explicitly because jdeps doesn't find the
+  # dependency on it but it still necessary for TLSv1.3.
+  modules="$modules,jdk.crypto.ec"
 fi
 fulljdk=$1
 out=$3