PR #10811: Restore ReshapeDecomposer And LayoutNormalization Passes in GPU Compiler
PR #10811: Restore ReshapeDecomposer And LayoutNormalization Passes in GPU Compiler

Imported from GitHub PR https://github.com/openxla/xla/pull/10811

Restores individual ReshapeDecomposer and LayoutNormalization passes in the GPU compiler previously removed in #9852 and fixes failures in cudnn_norm_rewriter_test.cc.
Copybara import of the project:

--
52065712a6bd4f6bb874575d82b4d99b8f2d16dd by Philipp Hack <phack@nvidia.com>:

Restore ReshapeDecomposer and LayoutNormalization passes.

Merging this change closes #10811

FUTURE_COPYBARA_INTEGRATE_REVIEW=https://github.com/openxla/xla/pull/10811 from philipphack:u_layer_reshape_decomposer_xla 52065712a6bd4f6bb874575d82b4d99b8f2d16dd
