Yes, one of my banks does support using my CC for payment by NFC for Android 5.0 and up. I remember this because I'm annoyed that they don't support Apple Pay.

That said, I've seen exactly once someone using and Android phone to pay contactless. It was a huge pain, they tried multiple times.

Samsung Pay's Magnetic Stripe Emulation is much cooler, it's like magic. Unfortunately, magnetic stripes are a legacy tech.