Merge "Updating antlr 3.5.2 to antlr 3.5.3" am: 49ada8cca6

Original change: https://android-review.googlesource.com/c/platform/external/antlr/+/2086203

Change-Id: Icee0f7279db11bb95635f725e4196188631d95bd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>