Reland of Add arraysize to rtc_base_approved. Remove dependency of audio_device on rtc_base. (patchset #1 id:1 of https://codereview.webrtc.org/2340253003/ )

Reason for revert:
Fix: let audio_device depend on rtc_base on IOS.

Original issue's description:
> Revert of Add arraysize to rtc_base_approved. Remove dependency of audio_device on rtc_base. (patchset #1 id:1 of https://codereview.webrtc.org/2346763002/ )
>
> Reason for revert:
> Breaks iOS
>
> Original issue's description:
> > Add arraysize to rtc_base_approved. Remove dependency of audio_device on rtc_base.
> >
> > BUG=webrtc:3806
> > NOTRY=True
> >
> > Committed: https://crrev.com/100c9d02669910bce06099b3cc1eaad60fd661dd
> > Cr-Commit-Position: refs/heads/master@{#14223}
>
> TBR=kjellander@webrtc.org,henrika@webrtc.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:3806
>
> Committed: https://crrev.com/89fb9201b70616a1c33e277f38bf9367112536e8
> Cr-Commit-Position: refs/heads/master@{#14224}

TBR=kjellander@webrtc.org,henrika@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOTRY=true
BUG=webrtc:3806

Review-Url: https://codereview.webrtc.org/2340233003
Cr-Commit-Position: refs/heads/master@{#14233}

PRESUBMIT.py

@@ -235,6 +235,7 @@ def _CheckNoRtcBaseDeps(input_api, gyp_files, output_api):
   violating_files = []
   for f in gyp_files:
     gyp_exceptions = (
+        'audio_device.gypi',
         'base_tests.gyp',
         'desktop_capture.gypi',
         'p2p.gyp',
@@ -260,6 +261,7 @@ def _CheckNoRtcBaseDepsGn(input_api, gn_files, output_api):
   violating_files = []
   for f in gn_files:
     gn_exceptions = (
+        os.path.join('audio_device', 'BUILD.gn'),
         os.path.join('base_tests', 'BUILD.gn'),
         os.path.join('desktop_capture', 'BUILD.gn'),
         os.path.join('p2p', 'BUILD.gn'),