Clear loaders array after they are destroyed.

See change Ia577caecbacb226a3ce525a01a66283efb6ba754 for details.

Change-Id: I9f07eeceaa3829f71008e6f6a38ab849095bd69c
Signed-off-by: Roman Mazur <mazur.roman@gmail.com>
Potential NPE in SQLiteConnection

Change-Id: I4d768bda5ea2fccb4a7c6ce7a5f074bf41563eac
Signed-off-by: Sylvain Becuwe <sylvain.becuwe@gmail.com>