Change SANITIZE_TARGET refs from 'coverage' to 'fuzzer' [#2].

Cleanup of references to 'coverage' in build files. Part of a larger
cleanup to make fuzzing work again in the Android build tree.

Bug: 121042685
Test: With all patches in the bug merged: mmma external/llvm

This is the qt-dev-plus-aosp cherrypick of aosp/954999. See the AOSP
commit for further information.

Change-Id: Ibb9864f1619b9ff10a6725efdb061251b5f19b88
1 file changed