Merge "Switch the zygote over to mallopt(M_BIONIC_SET_HEAP_TAGGING_LEVEL)." am: 2ccc6dfb02

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1552757

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I3ba1e5f676f091d6c074168317deed719213c38b