-ftime-report switch support in Clang.

-ftime-report switch support in Clang.
The current support of the feature produces only 2 lines in report:
 -Some general Code Generation Time;
 -Total time of Backend Consumer actions.
This patch extends Clang time report with new lines related to Preprocessor, Include Filea Search, Parsing, etc.
Differential Revision: https://reviews.llvm.org/D43578

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@329684 91177308-0d34-0410-b5e6-96231b3b80d8