[libc][Take 2] Propagate entrypoint deps to downstream targets.

This reverts commit a8086ba4ac85152d8407630e56e9ee5c8b46a214.
Setting couple of target properties to an empty string was missed in the
previous commit.

GitOrigin-RevId: 7f12512db2f60f5de5acdb2d072de1f135d9dc43
10 files changed