Add arraysize to rtc_base_approved. Remove dependency of audio_device on rtc_base.

BUG=webrtc:3806
NOTRY=True

Review-Url: https://codereview.webrtc.org/2346763002
Cr-Commit-Position: refs/heads/master@{#14223}

webrtc/base/BUILD.gn

@@ -93,6 +93,7 @@ rtc_static_library("rtc_base_approved") {
 
   sources = [
     "array_view.h",
+    "arraysize.h",
     "atomicops.h",
     "bind.h",
     "bitbuffer.cc",
@@ -288,7 +289,6 @@ rtc_static_library("rtc_base") {
 
   sources = [
     "applefilesystem.mm",
-    "arraysize.h",
     "asyncfile.cc",
     "asyncfile.h",
     "asyncinvoker-inl.h",

webrtc/base/base.gyp

@@ -29,6 +29,7 @@
       'target_name': 'rtc_base_approved',
       'type': 'static_library',
       'sources': [
+        'arraysize.h',
         'array_view.h',
         'atomicops.h',
         'bind.h',
@@ -231,7 +232,6 @@
       ],
       'sources': [
         'applefilesystem.mm',
-        'arraysize.h',
         'asyncfile.cc',
         'asyncfile.h',
         'asyncinvoker.cc',

webrtc/modules/audio_device/BUILD.gn

@@ -53,7 +53,6 @@ rtc_source_set("audio_device") {
 
   deps = [
     "../..:webrtc_common",
-    "../../base:rtc_base",
     "../../base:rtc_base_approved",
     "../../base:rtc_task_queue",
     "../../common_audio",