Fix misc-macro-parentheses warnings in connectivity/sl4n.

* Add parentheses around parameters beside operators.
* Use NOLINT to suppress wrong clang-tidy warnings.

Bug: 28705665
Change-Id: I2787ac2d703ef83f7fd04b8d95df2ba37b8f2de5
Test: build with clang-tidy
2 files changed
tree: 1857c4ea85a923afc39a6382e873dee90346e594
  1. sl4n/