Handle noisy simulators for Delay gate

[Manvi-Agrawal]

Describe the feature you'd like
Delay gate should not necessarily be an identity gate in noisy simulations, but instead may result in noise proportional to the length of the delay.

How would this feature be used? Please describe.
For example, delay may be used in dynamical decoupling sequences. When running a noisy simulation, the delay operation should actually produce noise on the target qubit(s) rather than just being simulated as an identity.

Describe alternatives you've considered
n/a

Additional context
See the following comment thread from PR #993 for context:
https://github.com/amazon-braket/amazon-braket-sdk-python/pull/993/files/f29f49f1ffe3807c86536027e0df8c2d4ca48866#r1631219555

[rmshaffer]

Note that this issue is related to #1002, which is not yet merged to main.