Merge pull request #3881 from vjpai/uniproto

Makefile

build.yaml

test/cpp/qps/client.h

test/cpp/qps/client_async.cc

test/cpp/qps/client_sync.cc

test/cpp/qps/driver.h

test/cpp/qps/histogram.h

test/cpp/qps/perf_db.proto

test/cpp/qps/qps_worker.cc

test/cpp/qps/report.h

test/cpp/qps/server.h

test/cpp/qps/server_async.cc

test/cpp/qps/server_sync.cc

test/proto/qpstest.proto

tools/run_tests/sources_and_headers.json

vsprojects/vcxproj/qps/qps.vcxproj

vsprojects/vcxproj/qps/qps.vcxproj.filters