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
diff --git a/lib/Fuzzer/Android.bp b/lib/Fuzzer/Android.bp
index 2bd550f..709b735 100644
--- a/lib/Fuzzer/Android.bp
+++ b/lib/Fuzzer/Android.bp
@@ -30,7 +30,7 @@
     exclude_srcs: ["FuzzerMain.cpp"],
     sanitize: {
         address: false,
-        coverage: false,
+        fuzzer: false,
     },
 }
 
@@ -49,6 +49,6 @@
     whole_static_libs: ["libLLVMFuzzerNoMain"],
     sanitize: {
         address: false,
-        coverage: false,
+        fuzzer: false,
     },
 }