Allow to override ANGLE suffix with debug.angle.libs.suffix

This allows us to avoid .so name "collision" which results in an
unexpected library being loaded when multiple ANGLE libraries are set up

Bug: b/371356548
Tested: cvd create --gpu_mode=guest_swiftshader, ANGLE from apk
Change-Id: I5a6dce90fe559f3884bc0fb956b884d8481b8c00