Fixes Button icon alt text not being updated #12333

Change-Id: I23a26fbc5281e76792e257321d96f3d30a8bc2b2
Merge commit '5fb05e84c80931fcaa9929ad556a20f5316e06a8'

Change-Id: Ib3f2d1d269f8ec7ee1f03dfdbc290453e2356387