only update picture-size-values if the string looks broken
otherwise it'll try and set the rear camera values for the front too

Conflicts:
	camera/CameraWrapper.cpp

	modified:   camera/CameraWrapper.cpp

Change-Id: I37d1d885bd76ee6564581352cf4c3c1d43717769
Fixup KEY_SUPPORTED_PICTURE_SIZES param thats >256 chars in latest vendor

	modified:   camera/CameraWrapper.cpp

Change-Id: Ic4fb3c032e493eff29600699a0ff58b595f08d4f