modules/video_capture: add NV12 support on Linux

Add native NV12 support on Linux v4l2 video_capture module.

Bug: webrtc:14650
Change-Id: I97e2010be4f15168b218da4855be8b0e985008a5
Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@canonical.com>
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/282841
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38753}
diff --git a/AUTHORS b/AUTHORS
index c991ce8..7c7cb34 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -138,6 +138,7 @@
 Agora IO <*@agora.io>
 ARM Holdings <*@arm.com>
 BroadSoft Inc. <*@broadsoft.com>
+Canonical Ltd <*@canonical.com>
 CoSMo Software Consulting, Pte Ltd <*@cosmosoftware.io>
 Facebook Inc. <*@fb.com>
 Google Inc. <*@google.com>