lib/cppparser/keywords.h
- Align INSERT calls as table. Add INSERT("noexcept", Token_noexcept).

lib/cppparser/lexer.h
- In enum Type add Token_noexcept.

lib/cppparser/parser.cpp
- In functions skipUntilDeclaration, skipUntilStatement while-loop
  switch add case Token_noexcept.
- In function parseExceptionSpecification handle the case
  (m_lexer->lookAhead(0) == Token_noexcept).

test/import/cxx/const-methods.h
- Rename file to const-noexcept-methods.h.

test/import/cxx/const-noexcept-methods.h
- Rename class to ConstNoexceptMethodClass.
- Add NoexceptMethod with trailing noexcept.
- Add ConstNoexceptMethod with const noexcept and implementation.

BUG: 442134
CCBUG: 338649