Add Fuchsia to actually_monotonic
Add Fuchsia to actually_monotonic

Fuchsia provides a fully monotonic clock.

aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust