gh-131531: android.py enhancements to support cibuildwheel (#132870)

Modifies the environment handling and execution arguments of the Android management
script to support the compilation of third-party binaries, and the use of the testbed to 
invoke third-party test code.

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Russell Keith-Magee <russell@keith-magee.com>