msm8974-common: Update media_codecs for L

Change-Id: I43e9f833033751fe65f01bd3bcc9f320cdf538be
msm8974-common: use qcom bionic optimization

Change-Id: Iac9174a2ac0d41319ca0c2e66f6ae7c94bc7b3f2
msm8974-common: Remove sepolicy
msm8974-common: Disable overlay for now
msm8974-common: Fixup CameraWrapper for L

Also clean up code and get rid of warnings.

Clean up from Arne Coucheron works on other samsung wrappers.

Change-Id: Icab1b9ec17710861f735a05dcdd87dac932c63c2
msm8974-common: Camera: Add getInt64 method needed by vendor lib

Change-Id: I9c6cba67f6217f5f234272b38391e571b6d32b5f
Signed-off-by: arter97 <qkrwngud825@gmail.com>