Sqlite: Extend database

lastInsertedRowId() function was added and more test are now under test.

Change-Id: I02bf11dbab29654dbff9f2cad8c13c0c4d15e3be
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/libs/sqlite/sqlitedatabase.cpp

@@ -108,16 +108,6 @@ OpenMode Database::openMode() const
     return m_openMode;
 }
 
-int Database::changesCount()
-{
-    return m_databaseBackend.changesCount();
-}
-
-int Database::totalChangesCount()
-{
-    return m_databaseBackend.totalChangesCount();
-}
-
 void Database::execute(Utils::SmallStringView sqlStatement)
 {
     m_databaseBackend.execute(sqlStatement);