Revert "Revert "Remove unused clang-3859424""

This reverts commit 285669a8d693a0457ca9336bde014b4a9f8e33db.

Reason for revert: b/78535188 - these prebuilts can now be removed.

Change-Id: Ib82bb0b168dbbfd776cdccbc8b59ecd2068dac20
191 files changed