Adds Media.Audio.InputController.Delay.{AECType} UMAs where {AECType} can take three different values NoAudioServiceAEC, ChromeWideAEC and LoopbackAEC.

The capture delays are in milliseconds.

The idea is to used these new UMAs in combination with the existing
Media.AudioInputDevice.AudioServiceDelay which tracks the audio capture
delay in the Audio Service, including the IPC and the OS. They are
logged at every CaptureCallback::Capture() call at AudioInputDevice
level. If changes are seen in this metric, the new metrics will ensure
that we can understand what caused the change.

Bug: 419813744
Change-Id: Ia7c15b7bb80f992e038a9c18aee9360325472339
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6771921
Reviewed-by: Olga Sharonova <olka@chromium.org>
Reviewed-by: Johannes Kron <kron@chromium.org>
Commit-Queue: Henrik Andreasson <henrika@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1493519}