Apply clang-format to source tree

Apply clang-format to source tree

Also change default of reformat-all.sh to use clang-format.

Had to also made changes for clang-tidy to pass.

Clang format is set as the default for the pre-commit hook, with
uncrustify disabled.

Small changes to .clang-format that should prevent unpopular formatting
of constructor elements and function arguments.

Also set BreakBeforeBinaryOperators = NonAssignment, so that some code
formatting stays closer to previous uncrustify style.

Change-Id: Ic2fbfa21bfc27392ec4c9ebe701291ee59f96e1d