Remove public API CharsetDecoder from @InfraCoreApi

The below constructor is a public API, and thus does not need to
be annonated as @IntraCoreApi:
ctor CharsetDecoder(Charset, float, float)

Test: m droid
Change-Id: I91c60fe00b1e898e6777063a8ebcaab88d15e8f7
2 files changed