Reason for revert:
The usage of UIKeyboardTypeASCIICapableNumberPad enum (available only for iOS 10.0), is breaking the build of AppRTCMobile on devices with lesser os.
To re-land the UIKeyboardTypeASCIICapableNumberPad should be replaced with UIKeyboardTypeNumberPad
Original issue's description:
> Add bitrate section to settings view controller.
>
> BUG=webrtc:6654
>
> Committed: https://crrev.com/3babb99039478c36be58171c5409eac07ae153e5
> Cr-Commit-Position: refs/heads/master@{#14952}
TBR=magjed@webrtc.org,kthelgasson@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:6654
Review-Url: https://codereview.webrtc.org/2488653002
Cr-Commit-Position: refs/heads/master@{#14972}
40532a1646