P1869 Rename 'condition_variable_any' interruptible wait methods

[wg21bot]

P1869R0 Rename 'condition_variable_any' interruptible wait methods (Tomasz Kamiński, Michał Dominiak)

[jensmaurer]

LEWG in Belfast: Forward the revision of D1869R1 that includes SG1s newly chosen names to LWG for C++20.

[jensmaurer]

Paper (D1869R1) reviewed by large group on Wed during issues processing. Group approved R1 from LEWG wiki.

[wg21bot]

P1869R1 Rename 'condition_variable_any' interruptible wait methods (Tomasz Kamiński, Michał Dominiak)