[clang-format] Handle shifts within conditions

In some situation shifts can be treated as a template, and is thus formatted as one. So, by doing a couple extra checks to assure that the condition doesn't contain a template, and is in fact a bit shift should solve this problem.

This is a fix for [[ https://bugs.llvm.org/show_bug.cgi?id=46969 | bug 46969 ]]

Reviewed By: MyDeveloperDay

Patch By: Saldivarcher

Differential Revision: https://reviews.llvm.org/D86581

(cherry picked from commit c81dd3d1)