Move //{chromeos/components => ash/webui}/projector_app

Codes in //chromeos/components/projector_app are ChromeOS-specific
WebUI, so it is moved to //ash/webui. The path which holds CIPD packages
in src/DEPS and .gitignore is updated as well.

This CL is part of the Chrome OS source code directory migration:
https://docs.google.com/document/d/1g-98HpzA8XcoGBWUv1gQNr4rbnD5yfvbtYZyPDDbkaE

Bug: 1164001
Change-Id: Idb6070c1cf5abce8a174dff446e6ca48e3f16648
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3233545
Commit-Queue: Yeunjoo Choi <[email protected]>
Reviewed-by: Hidehiko Abe <[email protected]>
Owners-Override: Hidehiko Abe <[email protected]>
Cr-Commit-Position: refs/heads/main@{#934136}
diff --git a/DEPS b/DEPS
index 6b29386..b5fa8b6e 100644
--- a/DEPS
+++ b/DEPS
@@ -1731,7 +1731,7 @@
     'dep_type': 'cipd',
   },
 
-  'src/chromeos/components/projector_app/resources/prod': {
+  'src/ash/webui/projector_app/resources/prod': {
     'packages': [
       {
         'package': 'chromeos_internal/apps/projector_app/app',