git: openjdk/mobile: 8235959: Update --release 14 symbol information up to JDK 14 b31

[duke]

Changeset: e80a1882
Author:    Joe Darcy <darcy at openjdk.org>
Date:      2020-01-15 15:11:09 +0000
URL:       https://git.openjdk.java.net/mobile/commit/e80a1882

8235959: Update --release 14 symbol information up to JDK 14 b31

Reviewed-by: jjg

! make/data/symbols/java.base-E.sym.txt
+ make/data/symbols/jdk.incubator.foreign-E.sym.txt
! make/data/symbols/symbols