Use $in_newline instead of $in for turbine rsp files

The latest version of turbine only supports newline separated rsp
files, switch to $in_newline, and manually use newlines instead of
spaces for the classpath and srcjars.

Bug: 384046733
Test: m javac-check
Change-Id: Ic56d9abbfcb99154a4a58e3f3e39de3b6c6224a9