audio-sdl: Surround custom AE code with usual #ifdef PAULSCODE.

For consistency with other AE customizations/hacks.  A little easier to
find, a little more obvious what we changed.
rsp-hle: Surround custom AE code with usual #ifdef PAULSCODE.

For consistency with other AE customizations/hacks.  A little easier to
find, a little more obvious what we changed.
Make most of the utility classes final. Since we don't extend these (and we never should) they should be made final.
ui-console: Add Android customization back in.

Oops, a little too aggressive on the cutting. Rice doesn't work without
this change, and I must not have tested with that when I yanked it.
Might move this into the bridge later, but for now I'll just revert.

Partialy reverts commit
6a5e1ff52d185e117febe9f50cb503f489d2e94d
Merge branch 'master' into lifecycle-fixes