Revert^2 "Add vendor_pcs_app domain for PixelCameraServices"

Revert submission 24122569-revert-24056607-pixel-camera-services-extensions-sepolicy-OFSULTXSBL

Reason for revert: Relanding the original topic after copying the certificates under `device/google` for `without-vendor` branches

Reverted changes: /q/submissionid:24122569-revert-24056607-pixel-camera-services-extensions-sepolicy-OFSULTXSBL

Bug: 287069860
Test: m && flashall
Change-Id: Ic6ef3d67a518500f0db2cb8c537a3934e64d366b
diff --git a/camera/sepolicy/seapp_contexts b/camera/sepolicy/seapp_contexts
index 15eb56f..9059600 100644
--- a/camera/sepolicy/seapp_contexts
+++ b/camera/sepolicy/seapp_contexts
@@ -1,2 +1,5 @@
 # Pixel PeristentBackgroundCameraServices
 user=system seinfo=platform name=com.google.pixel.camera.services domain=vendor_pbcs_app type=system_app_data_file levelFrom=all
+
+# Pixel Camera Services
+user=_app seinfo=CameraServices name=com.google.android.apps.camera.services domain=vendor_pcs_app type=app_data_file levelFrom=all
diff --git a/camera/sepolicy/vendor_pcs_app.te b/camera/sepolicy/vendor_pcs_app.te
new file mode 100644
index 0000000..39cd502
--- /dev/null
+++ b/camera/sepolicy/vendor_pcs_app.te
@@ -0,0 +1,5 @@
+type vendor_pcs_app, domain, coredomain;
+
+app_domain(vendor_pcs_app);
+
+allow vendor_pcs_app app_api_service:service_manager find;