Add an "Android" OS category on buganizer

[llvmbot]

Bugzilla Link	23587
Version	unspecified
OS	other
Reporter	LLVM Bugzilla Contributor

Extended Description

Might help track Android related bugs.

[JOE1994]

The platform:android label is available for LLVM github issues.

[llvmbot]

@llvm/issue-subscribers-infrastructure

Author: None (llvmbot)

| | | | --- | --- | | Bugzilla Link | [23587](https://llvm.org/bz23587) | | Version | unspecified | | OS | other | | Reporter | LLVM Bugzilla Contributor |

Extended Description

Might help track Android related bugs.