[tools] Update clang-format config

Allow arguments and parameters to be split over multiple lines
if they don't fit on one line

Author: jnewbery

src/.clang-format

@@ -1,9 +1,10 @@
 Language:        Cpp
 AccessModifierOffset: -4
-AlignAfterOpenBracket: false
+AlignAfterOpenBracket: true
 AlignEscapedNewlinesLeft: true
 AlignTrailingComments: true
-AllowAllParametersOfDeclarationOnNextLine: false
+AllowAllArgumentsOnNextLine : true
+AllowAllParametersOfDeclarationOnNextLine: true
 AllowShortBlocksOnASingleLine: false
 AllowShortCaseLabelsOnASingleLine: true
 AllowShortFunctionsOnASingleLine: All