adding cuda memory estimation support

[Gasoonjia]

Stack from ghstack (oldest at bottom):

• -> adding cuda memory estimation support #15294
• add module level benchmark for gemma3 model #15241
• make aoti_torch_empty_strided support creating incontiguous tensor #15228

Differential Revision: D85119089

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/15294

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❗ 1 Active SEVs

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❌ 1 New Failure, 3 Unrelated Failures

As of commit 0d58b63 with merge base 9b744b4 ():

NEW FAILURE - The following job has failed:

• pull / unittest-nxp-neutron / linux-job (gh)
  RuntimeError: Command docker exec -t 7a67ccd3ac8998d583750c02c0e1a10cce4ea9c46314de148087a60a09f78b3a /exec failed with exit code 1

BROKEN TRUNK - The following jobs failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• pull / android / run-emulator (gh) (trunk failure)
  The process '/usr/bin/sh' failed with exit code 255
• pull / unittest / linux / linux-job (gh) (trunk failure)
• pull / unittest-editable / linux / linux-job (gh) (trunk failure)

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