Performance instrumentation update 1

Added performance instrumentation capabilities to the client.
Measured values include: Frames per second, Sensor updates per
second, Touch updates per second, CPU usage, Memory usage, Wifi
strength, Battery level, Cell network, Cell values, and Ping (ms).
Co-commits: svmp-protocol-def, android_external_svmp_eventserver

Change-Id: Id471fd99de21e70210c63f177a791a8bcafd5c50