Hotfix for version 2.9.0. - streaming in release build -  Adjust members declaration to rectify out-of-order initialization flow. - Initialize the class members explicitely to allow compiler to recognize potential dependencies.
Hotfix for version 2.9.0. - streaming in release build
-  Adjust members declaration to rectify out-of-order initialization flow.
- Initialize the class members explicitely to allow compiler to recognize potential dependencies.

Change-Id: Ic36d67f831ca7003d998c6248dede0f4384140b0

IntelRealSense/librealsense,IntelRealSense/librealsense,IntelRealSense/librealsense,IntelRealSense/librealsense,IntelRealSense/librealsense,IntelRealSense/librealsense,IntelRealSense/librealsense,IntelRealSense/librealsense,IntelRealSense/librealsense