[MDC roll] Roll Material Components to e6f6b5f6a28df8c2212441978394f77725e4e9c3

TBR=smut

Cq-Include-Trybots: master.tryserver.chromium.mac:ios-simulator-cronet;master.tryserver.chromium.mac:ios-simulator-full-configs
Change-Id: Iacf5b86bf133f428abaf12d13aa9b945e4d665fd
Reviewed-on: https://chromium-review.googlesource.com/848545
Commit-Queue: iOS Autoroller <ios-autoroller@chromium.org>
Reviewed-by: iOS Autoroller <ios-autoroller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#526940}

DEPS

@@ -197,7 +197,7 @@ deps = {
   },
 
   'src/ios/third_party/material_components_ios/src': {
-      'url': Var('chromium_git') + '/external/github.com/material-components/material-components-ios.git' + '@' + '7e090434dde5009a693101a63864ab47b895e87f',
+      'url': Var('chromium_git') + '/external/github.com/material-components/material-components-ios.git' + '@' + 'e6f6b5f6a28df8c2212441978394f77725e4e9c3',
       '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: 7e090434dde5009a693101a63864ab47b895e87f
+Revision: e6f6b5f6a28df8c2212441978394f77725e4e9c3
 License: Apache 2.0
 License File: LICENSE
 Security Critical: yes