ApiFile and a few more methods are now public

ApiFile and some methods in ParameterInfo and TypeInfo are now public
because CtsHostSignatureTestCases is using doclava to parse current.txt
and system-current.txt files.

Bug: 71521429
Test: cts-tradefed run cts --module CtsSignatureHostTestCases

Change-Id: I26e98ea6cffa2cf3087e6ac32f7201f17500e120
3 files changed