Add mobilenetv3 example to test-all

Author: adamcrume

test-all

@@ -52,6 +52,7 @@ run cargo test -vv -j 2 --features ndarray
 run cargo run --example regression
 run cargo run --example xor
 run cargo run --features tensorflow_unstable --example expressions
+run cargo run --features eager --example mobilenetv3
 run cargo doc -vv --features tensorflow_unstable,ndarray,eager
 run cargo doc -vv --features tensorflow_unstable,ndarray,eager,private-docs-rs
 # TODO(#66): Re-enable: (cd tensorflow-sys && cargo test -vv -j 1)