Disable hwasan tests on zero checking tests.

The malloc.zeroed_allocations_{small_medium_sizes,large_sizes,realloc}
tests are meant to test the system allocator. They appear to be
failing on hwasan under some circumstances, so simply disable them
for hwasan since it doesn't make sense to test the hwasan allocator.

Bug: 356555231

Test: Ran on hwasan and verified tests are skipped.
Change-Id: I46db7451ac412d6cc8d907a8d08d95337a9382d1

Author: cferris1000

tests/malloc_test.cpp

@@ -1627,6 +1627,7 @@ TEST(malloc, zeroed_allocations_small_medium_sizes) {
 #if !defined(__BIONIC__)
   GTEST_SKIP() << "Only valid on bionic";
 #endif
+  SKIP_WITH_HWASAN << "Only test system allocator, not hwasan allocator.";
 
   if (IsLowRamDevice()) {
     GTEST_SKIP() << "Skipped on low memory devices.";
@@ -1657,6 +1658,7 @@ TEST(malloc, zeroed_allocations_large_sizes) {
 #if !defined(__BIONIC__)
   GTEST_SKIP() << "Only valid on bionic";
 #endif
+  SKIP_WITH_HWASAN << "Only test system allocator, not hwasan allocator.";
 
   if (IsLowRamDevice()) {
     GTEST_SKIP() << "Skipped on low memory devices.";
@@ -1687,6 +1689,7 @@ TEST(malloc, zeroed_allocations_realloc) {
 #if !defined(__BIONIC__)
   GTEST_SKIP() << "Only valid on bionic";
 #endif
+  SKIP_WITH_HWASAN << "Only test system allocator, not hwasan allocator.";
 
   if (IsLowRamDevice()) {
     GTEST_SKIP() << "Skipped on low memory devices.";