Roll src/ios/third_party/material_components_ios/src/ 28c20ee11..a9131baeb (3 commits)

TBR=bling-p10-rolls@google.com

Change-Id: I87bb7d17db0961c30d745d174ed31485b128c555
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2154727Reviewed-by: Internal Frameworks Autoroller <bling-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Internal Frameworks Autoroller <bling-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#760141}

DEPS

@@ -521,7 +521,7 @@ deps = {
   },
 
   'src/ios/third_party/material_components_ios/src': {
-      'url': Var('chromium_git') + '/external/github.com/material-components/material-components-ios.git' + '@' + '28c20ee11cd9bedff0f52687bf62cca900cb22cd',
+      'url': Var('chromium_git') + '/external/github.com/material-components/material-components-ios.git' + '@' + 'a9131baeb2bb7cdf7222d0adca2f14a5581a8c25',
       'condition': 'checkout_ios',
   },