[analyzer] Restructure discussion of DynamicTypeInfo and RuntimeDefinition.

Since DynamicTypeInfo is not inherently related to inlining or to dynamic
calls, it makes more sense (to me) to discuss it first.

Also fix some typos, massage some grammar, and (hopefully) improve precision
and clarity.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162365 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed