[0.2] if_tun.h ioctls for android

[jjanowsk]

Description

backport #4379
Add missing constants from linux/if_tun.h header on android platform. Mainly ioctl operation codes

Sources

https://cs.android.com/android/platform/superproject/main/+/main:bionic/libc/kernel/uapi/linux/if_tun.h;drc=180edefbd287c39caeb9d48784a9a10ac35f3636

Checklist

• Relevant tests in libc-test/semver have been updated
• No placeholder or unstable values like *LAST or *MAX are
  included (see #3131)
• Tested locally (cd libc-test && cargo test --target mytarget);
  especially relevant for platforms that may not be checked in CI

[rustbot]

r? @tgross35

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[rustbot]

Some changes occurred in the Android module

cc @maurer

[tgross35]

I usually pick up cherry picks before doing a release, but this one was a bit conflict-y so thanks for handling it :)