hg: panama/dev: 8234237: Update to LLVM9

[jorn.vernee at oracle.com]

Changeset: 685c673fec0f
Author:    jvernee
Date:      2019-12-02 11:17 +0100
URL:       https://hg.openjdk.java.net/panama/dev/rev/685c673fec0f

8234237: Update to LLVM9
Reviewed-by: sundar

! make/autoconf/lib-clang.m4
! make/conf/jib-profiles.js
! make/devkit/createLibclangBundle.sh
! src/jdk.internal.clang/share/classes/jdk/internal/clang/CursorKind.java
! src/jdk.internal.clang/share/classes/jdk/internal/clang/TypeKind.java
! src/jdk.internal.clang/share/native/libjclang/jdk_internal_clang.cpp