Executes aspect in dbg mode to match Xcode config.
Executes aspect in dbg mode to match Xcode config.

This changes the Tulsi aspect executor to run under the dbg
compilation mode in order to matchthe default Xcode build
configuration ("Debug"). For code generation tools that include
information about the compilation mode in their generated path
structure, this should improve Xcode indexing behavior.

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MOS_MIGRATED_REVID=132092757

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