Revert "Add syscalls required by UBSan."

This reverts commit ddd87af881ef31976af3d051503fcb00040f4f9a.

Reason for revert: Turning down diagnostics mode in codecs.

Bug: 111498295

Change-Id: Ida7302ec70f31b79931e2a5df424a5ab4e3d5d62
2 files changed