Move Visualizer to libaudioeffect_jni, its only user

This removes libaudioeffect_jni's dependency on libmedia and removes
libmedia's dependency on libaudioutils.

Test: build
Change-Id: I23902cd1cc16b49200f41f79736683c89b9f86f8
Merged-In: I23902cd1cc16b49200f41f79736683c89b9f86f8
5 files changed