[ios] Increase length of IDS_IOS_FIRSTRUN_AGREE_TO_TERMS to 117em.

TBR=justincohen@google.com

(cherry picked from commit 96593ad)

Bug: 804621
Cq-Include-Trybots: master.tryserver.chromium.mac:ios-simulator-cronet;master.tryserver.chromium.mac:ios-simulator-full-configs
Change-Id: If2d7c632d79b35647858a792fcaa721ae09ce710
Reviewed-on: https://chromium-review.googlesource.com/879290
Commit-Queue: Justin Cohen <justincohen@chromium.org>
Commit-Queue: Peter Lee <pkl@chromium.org>
Reviewed-by: Peter Lee <pkl@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#531131}
Reviewed-on: https://chromium-review.googlesource.com/884003
Reviewed-by: Justin Cohen <justincohen@chromium.org>
Cr-Commit-Position: refs/branch-heads/3325@{#62}
Cr-Branched-From: bc084a8-refs/heads/master@{#530369}

ios/chrome/app/strings/ios_chromium_strings.grd

@@ -156,7 +156,7 @@ locale.  The strings in this file are specific to iOS.
       <message name="IDS_IOS_DISCONNECT_DIALOG_TITLE" desc="The title of the disconnect dialog [Length: 30em].">
         Sign out of Chromium?
       </message>
-      <message name="IDS_IOS_FIRSTRUN_AGREE_TO_TERMS" desc="Label containing a link to the Terms of Service and Privacy Notice, displayed in the first run flow. [Length: 70em] [iOS only]">
+      <message name="IDS_IOS_FIRSTRUN_AGREE_TO_TERMS" desc="Label containing a link to the Terms of Service and Privacy Notice, displayed in the first run flow. [Length: 117em] [iOS only]">
         By using this application, you agree to Chromium’s <ph name="BEGIN_LINK_TOS">BEGIN_LINK_TOS</ph>Terms of Service<ph name="END_LINK_TOS">END_LINK_TOS</ph> and <ph name="BEGIN_LINK_PRIVACY">BEGIN_LINK_PRIVACY</ph>Privacy Notice<ph name="END_LINK_PRIVACY">END_LINK_PRIVACY</ph>.
       </message>
       <message name="IDS_IOS_FIRSTRUN_NEW_OPT_IN_LABEL" desc="User metrics opt-in label [Length: 80em] [iOS only]">

ios/chrome/app/strings/ios_google_chrome_strings.grd

@@ -156,7 +156,7 @@ locale.  The strings in this file are specific to iOS.
       <message name="IDS_IOS_DISCONNECT_DIALOG_TITLE" desc="The title of the disconnect dialog [Length: 30em].">
         Sign out of Chrome?
       </message>
-      <message name="IDS_IOS_FIRSTRUN_AGREE_TO_TERMS" desc="Label containing a link to the Terms of Service and Privacy Notice, displayed in the first run flow. [Length: 70em] [iOS only]">
+      <message name="IDS_IOS_FIRSTRUN_AGREE_TO_TERMS" desc="Label containing a link to the Terms of Service and Privacy Notice, displayed in the first run flow. [Length: 117em] [iOS only]">
       By using this application, you agree to Chrome’s <ph name="BEGIN_LINK_TOS">BEGIN_LINK_TOS</ph>Terms of Service<ph name="END_LINK_TOS">END_LINK_TOS</ph> and <ph name="BEGIN_LINK_PRIVACY">BEGIN_LINK_PRIVACY</ph>Privacy Notice<ph name="END_LINK_PRIVACY">END_LINK_PRIVACY</ph>.
       </message>
       <message name="IDS_IOS_FIRSTRUN_NEW_OPT_IN_LABEL" desc="User metrics opt-in label [Length: 80em] [iOS only]">