Add paint renderer compositor tests

docs/modernization/build-inventory.md

@@ -1,7 +1,7 @@
 # Build And Platform Inventory
 
 Status: live
-Last updated: 2026-05-31
+Last updated: 2026-06-01
 
 This inventory records the known build surfaces during the CMake migration.
 Keep it updated as platform paths move to shared CMake targets.
@@ -76,8 +76,8 @@ Known local toolchain state:
 - Android NDK: `C:\Users\omara\AppData\Local\Android\Sdk\ndk\29.0.14206865`
 - Android arm64 headless configure/build passes through root CMake and the
   `platform-build` automation wrapper for `pp_foundation`, `pp_assets`,
-  `pp_paint`, `pp_document`, `pp_renderer_api`, `pp_ui_core`, `pano_cli`, and
-  their current headless test binaries.
+  `pp_paint`, `pp_document`, `pp_renderer_api`, `pp_paint_renderer`,
+  `pp_ui_core`, `pano_cli`, and their current headless test binaries.
 - `vcpkg` is not on PATH yet; see DEBT-0007.
 
 Known warnings after the current CMake app build: