[MDC roll] Roll Material Components to 284ab1e81578ac8b24bf75fece695d306978ae59

TBR=smut

Cq-Include-Trybots: master.tryserver.chromium.mac:ios-simulator-cronet;master.tryserver.chromium.mac:ios-simulator-full-configs
Change-Id: I09558dfae0b9b01e308a7ed5258099906972d50f
Reviewed-on: https://chromium-review.googlesource.com/1024696
Commit-Queue: iOS Autoroller <ios-autoroller@chromium.org>
Reviewed-by: iOS Autoroller <ios-autoroller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#552908}

DEPS

@@ -260,7 +260,7 @@ deps = {
   },
 
   'src/ios/third_party/material_components_ios/src': {
-      'url': Var('chromium_git') + '/external/github.com/material-components/material-components-ios.git' + '@' + '58f627bcd48de53f1633cf980008dca1e33e4970',
+      'url': Var('chromium_git') + '/external/github.com/material-components/material-components-ios.git' + '@' + '284ab1e81578ac8b24bf75fece695d306978ae59',
       'condition': 'checkout_ios',
   },
 

ios/third_party/material_components_ios/README.chromium

 Name: Material Components for iOS
 URL: https://github.com/material-components/material-components-ios
 Version: 0
-Revision: 58f627bcd48de53f1633cf980008dca1e33e4970
+Revision: 284ab1e81578ac8b24bf75fece695d306978ae59
 License: Apache 2.0
 License File: LICENSE
 Security Critical: yes