Enable clang::find_bad_constructs for api/video/test.

This CL removes //build/config/clang:find_bad_constructs from the
suppressed_configs list, which means that clang:find_bad_constructs
is now enabled on these translation units.

TBR: [email protected]
Bug: webrtc:9251, webrtc:163
Change-Id: Ida449dae66ed5a9e1b36b14a988dee8ecfbea18f
Reviewed-on: https://webrtc-review.googlesource.com/89582
Commit-Queue: Mirko Bonadei <[email protected]>
Reviewed-by: Mirko Bonadei <[email protected]>
Cr-Commit-Position: refs/heads/master@{#24052}

api/video/test/BUILD.gn

@@ -10,16 +10,9 @@ import("../../../webrtc.gni")
 
 rtc_source_set("rtc_api_video_unittests") {
   testonly = true
-
   sources = [
     "video_bitrate_allocation_unittest.cc",
   ]
-
-  if (!build_with_chromium && is_clang) {
-    # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
-    suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
-  }
-
   deps = [
     "..:video_bitrate_allocation",
     "../../../test:test_support",