Avoid instantiations of Boolean that are immediately unboxed.

Replaced Boolean.valueOf() -> parseBoolean() across frameworks/base
(not including Am.java, which I'm leaving for a separate change).

Also fixed a couple of other valueOf()s in SyncStorageEngine.

Bug: 28289401
Change-Id: I2c6fb39a465885e7e625ed8894b1b9f8a30da5bc
10 files changed