Statically link libvorbisidec

Codec2 Vorbis codec was dynamically linking with libvorbisidec.
By linking statically instead, unused code can be stripped, reducing
size and improving relative coverage.

Test: CTS
Bug: 149042245
Change-Id: If1203ecf2d488bd285cb469f786a14a0eb64a7f4
(cherry picked from commit 048d7c32)