os watchOS 5.3 to 6.0 API Differences

availability.h
Added #def API_AVAILABLE_BEGIN
Added #def API_AVAILABLE_END
Added #def API_DEPRECATED_BEGIN
Added #def API_DEPRECATED_END
Added #def API_DEPRECATED_WITH_REPLACEMENT_BEGIN
Added #def API_DEPRECATED_WITH_REPLACEMENT_END
Added #def API_UNAVAILABLE_BEGIN
Added #def API_UNAVAILABLE_END
Added #def SPI_DEPRECATED
Added #def SPI_DEPRECATED_WITH_REPLACEMENT
base.h
Added #def OS_CLOSED_ENUM
Added #def OS_OPTIONS
Added #def OS_CLOSED_OPTIONS
overflow.h
Added #def os_inc_overflow
Added #def os_dec_overflow
proc.h
signpost.h
Added #def OS_LOG_CATEGORY_DYNAMIC_TRACING
Added #def OS_LOG_CATEGORY_DYNAMIC_STACK_TRACING
trace_base.h
Added #def OS_LOG_UNINITIALIZED
trace.h
Added #def OS_TRACE_UNINITIALIZED