Time builds

Change-Id: Idf3c8f15446cbbffded4ba2059dac3fe9fd5d725
Remove libSR_AudioIn from base.mk

This is an obsolete rule that was grandfathered in because
it was a USER module at some point. It's no longer
required, even by builds that use packages/app/VoiceDialer.

Change-Id: Ife9e89bd1b03c0364e27650863a83bad945b8089
clean unused packages

Change-Id: Ifb431420afda03c29ab2f5042742de9c084708af