games/anki: Mark as BROKEN on aarch64

• Now that devel/bazel can be built on aarch64, some of Anki's Bazel rule files still need to be adjusted accordingly. This needs some time and testing thus mark it as BROKEN on aarch64 for now.

MFH: 2022Q1
(cherry picked from commit c4d23d072136ddd4d0a1db1332d4f7c2339f0ce7)