mac: Note WebAppInstalls and Platform>WebAppProvider have a separate triage

Bug: None
Change-Id: I8fb3c4b282081b5070233766c0ce3440d3f6d72b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2359581
Auto-Submit: Chase Phillips <cmp@chromium.org>
Commit-Queue: Elly Fong-Jones <ellyjones@chromium.org>
Reviewed-by: Elly Fong-Jones <ellyjones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#798758}

docs/mac/triage.md

@@ -151,10 +151,11 @@ triage processes:
 * Platform
 * Services>Chromoting
 * Test>Telemetry
+* UI>Browser>WebAppInstalls
 * UI>Browser>WebUI
 
 [unconfirmed]: https://bugs.chromium.org/p/chromium/issues/list?q=OS%3DMac%20status%3AUnconfirmed%20-component%3ABlink%2CEnterprise%2CInternals%3ENetwork%2CPlatform%3EDevtools%2CServices%3ESyncs%2CUI%3EBrowser%3EPasswords&can=2
 [untriaged-m]: https://bugs.chromium.org/p/chromium/issues/list?q=has%3AMac%20status%3AUntriaged&can=2
-[untriaged-c]: https://bugs.chromium.org/p/chromium/issues/list?q=OS%3DMac%20-OS%3DWindows%2CLinux%2CChrome%2CAndroid%2CiOS%20status%3AUntriaged%20-component%3AAdmin%2CBlink%2CInfra%2CInternals%3EHeadless%2CInternals%3ENetwork%2CInternals%3EPlugins%3EPDF%2CInternals%3EPrinting%2CInternals%3ESkia%2CInternals%3EUpdater%2CInternals%3EViews%2CIO%3EBluetooth%2CIO%3EUSB%2CPlatform%2CServices%3EChromoting%2CTest%3ETelemetry%2CUI%3EBrowser%3EWebAppInstalls%2CUI%3EBrowser%3EWebUI&can=2
+[untriaged-c]: https://bugs.chromium.org/p/chromium/issues/list?q=OS%3DMac%20-OS%3DWindows%2CLinux%2CChrome%2CAndroid%2CiOS%20status%3AUntriaged%20-component%3AAdmin%2CBlink%2CInfra%2CInternals%3EHeadless%2CInternals%3ENetwork%2CInternals%3EPlugins%3EPDF%2CInternals%3EPrinting%2CInternals%3ESkia%2CInternals%3EUpdater%2CInternals%3EViews%2CIO%3EBluetooth%2CIO%3EUSB%2CPlatform%2CServices%3EChromoting%2CTest%3ETelemetry%2CUI%3EBrowser%3EWebAppInstalls%2CPlatform%3EWebAppProvider%2CUI%3EBrowser%3EWebUI&can=2
 [available]: https://bugs.chromium.org/p/chromium/issues/list?q=has%3AMac%20status%3AAvailable&can=2
 [assigned]: https://bugs.chromium.org/p/chromium/issues/list?q=has%3AMac%20status%3AAssigned&can=2