git: openjdk/jdk: 8294546: document where javac differs when invoked via launcher and ToolProvider

[Jonathan Gibbons]

Changeset: f300ec86
Author:    Jonathan Gibbons <jjg at openjdk.org>
Date:      2022-10-17 20:18:25 +0000
URL:       https://git.openjdk.org/jdk/commit/f300ec8631b781938e6e96165ba23cda14a20f24

8294546: document where javac differs when invoked via launcher and ToolProvider

Reviewed-by: darcy

! src/jdk.compiler/share/classes/module-info.java