Add comment to IPC_ENUM_TRAITS call

Add comment to IPC_ENUM_TRAITS call to indicate we are dealing with a
bitmask, this is consistent with other call sites for IPC_ENUM_TRAITS.

Bug: 246708
Change-Id: I5f979772fc82ed6bdf19f0eda31781c7ffee2e13
Reviewed-on: https://chromium-review.googlesource.com/761268
Reviewed-by: Bill Budge <bbudge@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Rob Buis <rob.buis@samsung.com>
Cr-Original-Commit-Position: refs/heads/master@{#515594}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 608a5167671daf3dad0c4fb686bf07e90e76d7bc
1 file changed