Merge "Track a typo fix in hidden libcore API."

        }

        ThreadGroup group = Thread.currentThread().getThreadGroup();

        SamplingProfiler.ThreadSet threadSet = SamplingProfiler.newThreadGroupTheadSet(group);

        SamplingProfiler.ThreadSet threadSet = SamplingProfiler.newThreadGroupThreadSet(group);

        samplingProfiler = new SamplingProfiler(samplingProfilerDepth, threadSet);

        samplingProfiler.start(samplingProfilerMilliseconds);

        startMillis = System.currentTimeMillis();