Revert^2 "Add SEPolicy for Pixel Camera Services Extensions"

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 && dev test with Open Camera and Camera2 Ext
Change-Id: I7f9a759ca7b5538441de451eb80f20b3cb1e30a9
diff --git a/camera/sepolicy/vendor_pcs_app.te b/camera/sepolicy/vendor_pcs_app.te
index 39cd502..5dc25eb 100644
--- a/camera/sepolicy/vendor_pcs_app.te
+++ b/camera/sepolicy/vendor_pcs_app.te
@@ -3,3 +3,5 @@
 app_domain(vendor_pcs_app);
 
 allow vendor_pcs_app app_api_service:service_manager find;
+
+allow vendor_pcs_app cameraserver_service:service_manager find;