Remove errorprone's copy of javac am: 191be62881

Original change: https://android-review.googlesource.com/c/platform/external/error_prone/+/3361825

Change-Id: Ica97c51b65956282ebf5002b28eaa0f2114e5c8d
Signed-off-by: Automerger Merge Worker <[email protected]>