Debugger: Fix std::string display with old LLDB (179.5)

Change-Id: I9a9abd3044a9ec90c67de3060d5895ae0b6b8652
Reviewed-by: hjk <hjk121@nokiamail.com>
Debugger: Fix std::string display with GDB

Change-Id: Iaa9abd3044a9ec90c67de3060d5895ae0b6b8652
Reviewed-by: hjk <hjk121@nokiamail.com>
Valgrind: Guard against missing logger

Change-Id: I2fa2df124b83be12c2156f944d2ecaece9e51eac
Reviewed-by: hjk <hjk121@nokiamail.com>