[MDC roll] Roll Material Components to 78a3b56667539a258782ed2da4d74d…

…66fdd2295b

TBR=smut

Change-Id: I69d2403264dabf2b3f69d371e6452e5990b938a6
Reviewed-on: https://chromium-review.googlesource.com/c/1404697
Reviewed-by: iOS Autoroller <ios-autoroller@chromium.org>
Commit-Queue: iOS Autoroller <ios-autoroller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#621479}

DEPS

@@ -368,7 +368,7 @@ deps = {
   },
 
   'src/ios/third_party/material_components_ios/src': {
-      'url': Var('chromium_git') + '/external/github.com/material-components/material-components-ios.git' + '@' + 'be6819217716fba3e1cbc60b62f62acf9d552a94',
+      'url': Var('chromium_git') + '/external/github.com/material-components/material-components-ios.git' + '@' + '78a3b56667539a258782ed2da4d74d66fdd2295b',
       'condition': 'checkout_ios',
   },
 

ios/third_party/material_components_ios/README.chromium

@@ -1,7 +1,7 @@
 Name: Material Components for iOS
 URL: https://github.com/material-components/material-components-ios
 Version: 0
-Revision: 6d8f462a764beaf9c856a154ade562c98f1ebd78
+Revision: 78a3b56667539a258782ed2da4d74d66fdd2295b
 License: Apache 2.0
 License File: LICENSE
 Security Critical: yes