Change-Id: I68d2c85139e01684d5f0705f621ba223fc5e4425

Change-Id: If8b981715983e3a12867c9b7c53bfa5effaddd39

This CL fixes the following compiler warnings.

- Indirect access to static member
- Access to a non-accessible member of an enclosing type
- Parameter assignment
- Method can be static
- Local variable declaration hides another field or variable
- Value of local variable is not used
- Unused import
- Unused private member
- Unnecessary 'else' statement
- Unnecessary declaration of throw exception
- Redundant type arguments
- Missing '@Override' annotation
- Unused '@SuppressWarning' annotations

Bug: 18003991
Change-Id: Icfebe753e53a2cc621848f769d6a3d7ce501ebc7

Bug: 18003991
Change-Id: Ib005dd394faf546e4faed89ff2018ce49858a06e