[telemetry] Add in entry points to find_dependencies with no arguments.
[telemetry] Add in entry points to find_dependencies with no arguments.

Running modulefinder with just __init__ doesn't include everything, and having
the entry points is more likely to include everything.

BUG=None.
TEST=tools/telemetry/find_dependencies | wc -l  # == 3770, not 3719

Review URL: https://codereview.chromium.org/1089673002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#325352}

sahiljain/catapult,SummerLW/Perf-Insight-Report,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult-csm,benschmaus/catapult,catapult-project/catapult,sahiljain/catapult,benschmaus/catapult,catapult-project/catapult-csm,catapult-project/catapult-csm,catapult-project/catapult-csm,catapult-project/catapult-csm,catapult-project/catapult,SummerLW/Perf-Insight-Report,benschmaus/catapult,sahiljain/catapult,catapult-project/catapult,sahiljain/catapult,sahiljain/catapult,SummerLW/Perf-Insight-Report,benschmaus/catapult,SummerLW/Perf-Insight-Report,benschmaus/catapult,catapult-project/catapult,benschmaus/catapult,SummerLW/Perf-Insight-Report,catapult-project/catapult,catapult-project/catapult-csm,SummerLW/Perf-Insight-Report,catapult-project/catapult-csm,sahiljain/catapult,benschmaus/catapult