Support MSIX .appinstaller updates for FW Lite testers - #2496

  1 files  ±0   66 suites  ±0   33s ⏱️ ±0s
231 tests ±0  231 ✅ ±0  0 💤 ±0  0 ❌ ±0 
305 runs  ±0  305 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 8323827. ± Comparison against earlier commit b5b8c53.