Re-define `__priority_which`s as c_uint in linux-gnu

[FreeBSD] Add missing getnameinfo() flag values.

This patchs adds missing flag values for getnameinfo()
on FreeBSD, the following flags have been added from
the FreeBSD tree.

 /*
  * Flag values for getnameinfo()
  */
 #define	NI_NOFQDN	0x00000001
 #define	NI_NUMERICHOST	0x00000002
 #define	NI_NAMEREQD	0x00000004
 #define	NI_NUMERICSERV	0x00000008
 #define	NI_DGRAM	0x00000010
 #define	NI_NUMERICSCOPE	0x00000020

Signed-off-by: Valdemar Erk <valdemar@erk.io>

Re-enable aarch64-linux-android CI

Add TIOC*BRK constants for Android

Add extra functions & constants from sys/mman.h for Redox

CI: Disable some broken Android targets

Bump version to 0.2.70

Update Ubuntu image to 20.04

Add TIOCSBRK and TIOCCBRK

Add c typedefs for the Sony PSP

Reorganized some constants as well so they're grouped a bit better.

Use default APIs instead of google_apis

Define IPV6_CHECKSUM & IPV6_HOPLIMIT on more platforms

Add `riscv64gc-unknown-linux-gnu` image

Haiku: fix name of AF_UNSPEC

Add RLIMIT_* constants for RISC-V 64-bit GNU/Linux and minor fixes for type definitions

Fix #1670 missing RLIMIT_AS etc on android

Signed-off-by: Robert Collins <robertc@robertcollins.net>