Introduce build_from_text_stubs property in java_sdk_library

Note that this property is currently a no-op. This change is submitted
separately in order to prevent submitting the entire topic in git_main
to mark a main-only module with this property.

Test: m nothing
Bug: 327507877
Change-Id: I62c2e3522bf9d0c5f7955e7c9bd2e0f66458e48c