Cleanup of references to 'coverage' in build files. Part of a larger
cleanup to make fuzzing work again in the Android build tree.
Also fixed a test issue with emulated TLS with the new changes, and
removed libc.so fuzzer support until a linked bug is fixed
(b/132640749).
Bug: 121042685
Test: With all patches in the bug merged: mmma bionic
This is the qt-dev-plus-aosp cherrypick of aosp/954684. See the AOSP
commit for further information.
Change-Id: I592352fe9210ff811a2660a88cbbfe48d70a1e57
2f1bdef5fb