I volunteer as the reviewer for Android sub-port. Android/Bionic support is an extension over Linux port and is being gradually added for more and more architectures. I wrote the original Android GCC support for ARM (under a watchful design eye of Joseph Myers), and know how the bits fit together.
As adding Android support to a new architecture requires changes to that architecture, the architecture maintainer will have the power of veto for the Android-related changes. Thank you, -- Maxim Kuvyrkov CodeSourcery / Mentor Graphics