tests/uid16: skip if real uid is larger than 16bit
tests/uid16: skip if real uid is larger than 16bit

* tests/uid16.c (main): Skip if the uid returned by getuid matches
/proc/sys/kernel/overflowuid.

YUPlayGodDev/platform_external_strace,bigzz/strace_android,kapdop/android_external_strace,geekboxzone/mmallow_external_strace,kapdop/android_external_strace,Yu-AndroidM/android_external_strace,geofft/strace,Yu-AndroidM/android_external_strace,cuviper/strace,geekboxzone/mmallow_external_strace,Saruta/strace,Infinitive-OS/platform_external_strace,TeamExodus/external_strace,Infinitive-OS/platform_external_strace,cuviper/strace,TeamExodus/external_strace,Saruta/strace,Infinitive-OS/platform_external_strace,AOSP-YU/platform_external_strace,cuviper/strace,Distrotech/strace,YUPlayGodDev/platform_external_strace,TeamExodus/external_strace,Yu-AndroidM/android_external_strace,vrastogi/strace,YUPlayGodDev/platform_external_strace,geofft/strace,Saruta/strace,YUPlayGodDev/platform_external_strace,geofft/strace,Infinitive-OS/platform_external_strace,AOSP-YU/platform_external_strace,bigzz/strace_android,MonkeyZZZZ/platform_external_strace,Distrotech/strace,MonkeyZZZZ/platform_external_strace,geekboxzone/mmallow_external_strace,Infinitive-OS/platform_external_strace,Yu-AndroidM/android_external_strace,cuviper/strace,bigzz/strace_android,AOSP-YU/platform_external_strace,Distrotech/strace,vrastogi/strace,MonkeyZZZZ/platform_external_strace,kapdop/android_external_strace,kapdop/android_external_strace,MonkeyZZZZ/platform_external_strace,Distrotech/strace,bigzz/strace_android,YUPlayGodDev/platform_external_strace,kapdop/android_external_strace,Distrotech/strace,vrastogi/strace,Yu-AndroidM/android_external_strace,geekboxzone/mmallow_external_strace,vrastogi/strace,vrastogi/strace,AOSP-YU/platform_external_strace,geofft/strace,TeamExodus/external_strace,TeamExodus/external_strace,bigzz/strace_android,Saruta/strace,MonkeyZZZZ/platform_external_strace,Saruta/strace,AOSP-YU/platform_external_strace,geofft/strace,cuviper/strace,geekboxzone/mmallow_external_strace