Function OH_Input_GetKeyEventActionTime 

pub unsafe extern "C" fn OH_Input_GetKeyEventActionTime(
    keyEvent: *const Input_KeyEvent,
) -> i64

@brief Obtains the time when a key event occurs.

@param keyEvent KeyEvent object, which can be created through {@link OH_Input_CreateKeyEvent()}.
If the key event object is no longer needed, destroy it by calling {@link OH_Input_DestroyKeyEvent()}. @return Returns the time when the key event occurred, representing the number of microseconds elapsed since system startup, in microseconds (μs). @syscap SystemCapability.MultimodalInput.Input.Core @since 12