[MDC roll] Roll Material Components to 6d8f462a764beaf9c856a154ade562c98f1ebd78

TBR=smut

Change-Id: Ie8510ff0de91ae4699d532e3657cfdfad4436de3
Reviewed-on: https://chromium-review.googlesource.com/c/1356031Reviewed-by: iOS Autoroller <ios-autoroller@chromium.org>
Commit-Queue: iOS Autoroller <ios-autoroller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#612539}

DEPS

@@ -343,7 +343,7 @@ deps = {
   },
 
   'src/ios/third_party/material_components_ios/src': {
-      'url': Var('chromium_git') + '/external/github.com/material-components/material-components-ios.git' + '@' + '6edafbda8131badfe6c57d4bb326071939a9713a',
+      'url': Var('chromium_git') + '/external/github.com/material-components/material-components-ios.git' + '@' + '6d8f462a764beaf9c856a154ade562c98f1ebd78',
       '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: 6edafbda8131badfe6c57d4bb326071939a9713a
+Revision: 6d8f462a764beaf9c856a154ade562c98f1ebd78
 License: Apache 2.0
 License File: LICENSE
 Security Critical: yes