RequestManageCredentials support RTL languages

* App name and URIs should be displayed to the
  left of the app icon for right-to-left
  languages e.g. arabic.

Manual testing steps:
* Set language as Arabic
* Install TestDPC and select 'Request to
  manage credentials'.
* Verify app name and URLs are correctly displayed.
* Go to Settings > Security > Encryption & Credentials
  > Credential management app and verify apps and URIs
  are displayed corretly.

Bug: 170627997
Test: Manual testing
Change-Id: Id383e5d92022fc2e40494fadb12c64a46b1f6a65