Merge "lpmake: Allow building on Windows." am: 61a427a01d am: 6ba1713589 am: e6a0f17342 am: 69092885d6

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/1965456

Change-Id: I1d53a4eea4dc8dc36ea1a504519e23c10973e8c5