PR #11444: [XLA:GPU] disable mask in cuDNN attention
PR #11444: [XLA:GPU] disable mask in cuDNN attention

Imported from GitHub PR https://github.com/openxla/xla/pull/11444

1. cuDNN attention mask is not doing masking with -inf but multiply which is not correct. Hence disable patterns with mask.
2. Follow up PR to clean up the remaining mask related logic.
Copybara import of the project:

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acf95b6cc7e1084026eaf87c0119ba3801ba8f8c by cjkkkk <ske@nvidia.com>:

disable mask

Merging this change closes #11444

FUTURE_COPYBARA_INTEGRATE_REVIEW=https://github.com/openxla/xla/pull/11444 from Cjkkkk:remove_mask acf95b6cc7e1084026eaf87c0119ba3801ba8f8c
