libbinder: Build binderRpcToTrustyTest test

Add a new test binary binderRpcToTrustyTest that
runs a subset of the binderRpcTest tests on a connection
from Android to Trusty.

Bug: 230135749
Test: push&run binderRpcToTrustyTest in the Trusty emulator
Change-Id: Ibc3cea398eb7fee0b75f830ad77afb3d893850d1