File Attachment - Aria labels

[Blackbaud-TrevorBurch]

Part of blackbaud/skyux-avatar#26

[blackbaud-ado]

Preview build at https://host.nxt.blackbaud.com/skyux-forms?_sp.spa=pr-aria-labels

[codecov]

Codecov Report

Merging #187 into master will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #187   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           29        29           
  Lines          862       864    +2     
  Branches       164       164           
=========================================
+ Hits           862       864    +2     

Impacted Files	Coverage Δ
...lic/modules/file-attachment/file-drop.component.ts	100.00% <100.00%> (ø)

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[Blackbaud-TrevorBurch]

/azp run

[blackbaud-ado]

Preview build at https://host.nxt.blackbaud.com/skyux-forms?_sp.spa=pr-aria-labels