httplive: fix use-after-free am: 3c1d9613 am: 88be52c2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/24679067



Change-Id: I485838ea3a25c4f8a1625c2931735ef0481c8184
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>