Elimates 304 methods based on dex analysis
The java compiler generates sythetic accessor methods for all private
fields, methods and contructors accessed from inner classes. By marking them
package-private and @Thunk instead, sythentic accessor methods are no
longer needeed. These annotated elements should be treated as private.
Change-Id: Id0dc2c92733474250d8ff12fa793d3a8adeb1f26