Bug: 18108776
Change-Id: Ie5c0430aa41a8d6c58bf510a10173223d7dfe9fe

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

Change-Id: I81f37d08659d449822b027d3d5912e11eec8b8ff

Bug: 6851364
Change-Id: I3052924053f37f56c9c3953051aa1b22224a2b2e

In tests, we create many instances of LatinIME, but we never
destroy them. That means we never close the dictionaries nor
the handlers.
This change calls onDestroy, which closes all dictionaries, and
adds some code to finish the handlers.

Change-Id: I942517a2a940c54256b08763f6b38f5b55809f55

Bug: 8636060
Change-Id: I2f55fc23d7e05b63582a3f0660b58635eae5ec59

Bug: 13710224
Bug: 12821388
Bug: 12667742
Change-Id: I6188e0240193d2bca789110e7660a0f31bbafc62

Bug: 8187060
Bug: 13127350
Change-Id: I081ee904c41898128efa8ba7a1bf3fa0a46c6231

Yay

Bug: 8636060
Change-Id: Iad9c3804504635094e861999198f4baf70e61955

Bug: 12397228
Change-Id: I7632931f0685fc8f0558946be66025b2bb2b5a3d

Bug: 12397228
Change-Id: I7632931f0685fc8f0558946be66025b2bb2b5a3d

...at last

Bug: 8636060
Change-Id: If5e27a9d28ff64d318dd76792f55edfc8a78d2d7

Bug: 8636060
Change-Id: I5d08ed5d69cdb03bd188e36b7014de03f04fa72f