* linux-low.c (__SIGRTMIN): Define if not already defined.

	* linux-low.c (__SIGRTMIN): Define if not already defined.
	(linux_create_inferior): Check for __ANDROID__ rather than
	__SIGRTMIN.
	(enqueue_one_deferred_signal): Don't requeue non-RT signals that
	are already deferred.
	(linux_wait_1): Check for __ANDROID__ rather than __SIGRTMIN.
	(linux_resume_one_thread): Don't queue a SIGSTOP if the lwp is
	stopped and already has a pending signal to report.
	(proceed_one_lwp): : Don't queue a SIGSTOP if the lwp already has
	a pending signal to report or is moving out of a jump pad.
	(linux_init_signals): Check for __ANDROID__ rather than
	__SIGRTMIN.