servicemanager: Allow tegra audio to register as a service

this is pertinent for grouper??

Change-Id: I6c792b6f5f586cf40d4a9b834e793a68c1e458a7
libaudioeffect_jni GREF leak fix

- excessive jni reference in AudioEffects
- global references created during native setup are not deleted
- global references are dleted in setup failure and during native releases

Changeset 2:
    -fixed whitespace, and rebased on jb42

Change-Id: I3ff54cc3b0c5394e978421dad3a7a257551f776e