Apply pylint to build/soong/cc/ndk_api_coverage_parser

1. Run black --line-length 80 -S build/soong/cc/ndk_api_coverage_parser to
fix formatting
2. Annotate # pylint: disable=line-too-long for multi line strings in
test_ndk_api_coverage_parser.py

Test: pytest
build/soong/cc/ndk_api_coverage_parser/test_ndk_api_coverage_parser.py
Test: pylint --rcfile tools/repohooks/tools/pylintrc
build/soong/cc/ndk_api_coverage_parser
Bug: 195738175

Change-Id: Ifb6d4cd67399eb3fa201185c5d1ebc2544fa316f