Camera: Fix Metadata static info intialization

The Metadata module segfaults when asked to initialize camera_info, upon
camera description request coming from framework.
This was caused by missing intialization of mData instance field.
Additionally, when intializing it with a template metadata, the
validation function return value was wrongly tested

Patchset 2: Do not init mData but let function flow take care of
replacing it after adding new data to it fails.

Change-Id: Iae228f0d66171ed3eac430186ced4d9b023f8de8
Signed-off-by: Jacopo Mondi <jacopo.mondi@linaro.org>
1 file changed