pixie

PerfProfiler: move test helper function for agent libs arg. into common testing:cc_library.

Bump versions of Pixie CLI, operator, and cloud

PerfProfiler: switch over Java test to use containerized sub-process.

PerfProfiler: in perf profiler test, add support for containerized sub-processes.

PerfProfiler: add a new generic wrapper for sub-processes into the perf profiler test. Will support normal sub-processes & containers.