Generate bindings rather than using prebuilts

In order to pass some of the configuration that Android.bp has, we need
to pass in a function. Now that bindgen-as-a-library support has landed
in the build system, use it for libsqlite3-sys to avoid needing to
regenerate bindings.

Bug: 161816141
Test: mma
Change-Id: I53d4108f5e6ab0d6e47e8d6d1b24a93b1c66a7fe
9 files changed