GitLab

Fix styling errors in PRESUBMIT_test.py

Most errors found by flake8 are fixed. The exceptions are:
- E111: indentation is not a multiple of four
- E121: continuation line under-indented for hanging indent
- E501: line too long (> 79 characters)

Bug: None
Change-Id: I6d85b3b170d5e0682e30c564e9dbaf185bb55168
Reviewed-on: https://chromium-review.googlesource.com/1152125Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Wei-Yin Chen (陳威尹) <wychen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#578814}