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As a consequence:
+ Comment out the names of all unused parameters.
+ Remove all unused variables and functions.

In server/Android.mk, there are a couple of non-trivial changes:
+ Use libcxx instead of stlport. This is needed to fix a bunch of errors due to
  specifying -std=c++11.
+ LOCAL_SHARED_LIBRARIES is sorted. Technically, the order in which libraries
  are listed has an effect on linking, but nobody should be doing such brittle
  things anyway.

Change-Id: I0aff5b745e04609da23144d0e8be4c5694321b8b