GitLab

Add stateDescription to mojo and serialize it to kDescription of
AXNodeData.
Android side CL is ag/11520815.

AX-Relnotes: n/a.
Bug: b:154433831
Test: manual(observe that state description property was set in test app)
Change-Id: Idc9b73066955d0c864dbfd2e5e7d4e2ddf6be836
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2217519Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Reviewed-by: Hiroki Sato <hirokisato@chromium.org>
Reviewed-by: Sara Kato <sarakato@chromium.org>
Commit-Queue: Saho Kobayashi <sahok@chromium.org>
Cr-Commit-Position: refs/heads/master@{#773591}