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

This CL add more compatibility wrapper methods for
CursorAnchorInfo.

This CL also adds more utility functions and types into
CompatUtils to reduce explict cast operations.

Change-Id: Id50165b552bbf28b832a6da13bf06eedcd2a190e

Change-Id: I95a682052037d292801477db0f05e04926b61412

Change-Id: I9b4a8d7eae744ba6252a6475b75240248c70a3c0

Change-Id: I373ae7ad26eee44cc8e9720314f6a53b811d0021

Multi-project commit with I249d5fbe

Change-Id: Ia28c4e970992aa1299a30e604eaa5d096655c3a5

Change-Id: Ic4f69b4c8da33c9fca50d6829724179310c2f875

Bug: 6129704
Change-Id: I8f84f0f61a2205ac1fcd1cd40e3a586ee535282d

Bug: 6129704
Change-Id: I7643e656c6e7656eff339cc301dd32f34dee83a4

Follow up to Ib27f2774
Bug: 6129704

Change-Id: I75b892a5f97270c270441a00f98e6e7ea1abc424

To maintain backward compatibility back to Froyo, we can't call
3-argument constructor of LinearLayout.

Change-Id: I35310704f92812d2748d32f35820a5058fa2bf31

Bug: 4346045
Change-Id: Iaabdb8a148b2601bb9cbc2b08509adac164105a4

Either of Method.invoke, Field.get and Field.set can accept null as
receiver.

Change-Id: I4539dcc95a794f6ee84cf4e7aabf4e8f0206728f

Change-Id: I99e2039579a5bd606a8e698cdee2739465b998bc

Compat issues will be merged to master.

Change-Id: I3285606006483e247bea25ee77979cf71095b9c1

Change-Id: I54ed0853ed4423704a300977d7880678e066a6fb

Change-Id: Ie69d5e90c4ee978d3ecb40b68e6466082569ca7a

Change-Id: Ie473c9fced9f0a8da5643390b44aa4b86128396d

Change-Id: I8b9fe507885ef5ae7cb09db93a977e23b1bbd0db

Change-Id: If6b0180c63738e5e78a20fe5b938ef50d62865d6

Change-Id: Ica53ce879c2b4c5eb47f757fb788a795a881c30e

Change-Id: I158414efaff43d0c6abe1f9af83ed3425992dfb9