Export PLATFORM_NAME to to compile_windows.sh
Export PLATFORM_NAME to to compile_windows.sh

Change-Id: I3e9ca0d9f6a32d1ee6f44933c09fbaeaf0e5708a

bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration