Remove hidl.memory from vintf manifest for V+ am: 7734a93f3d am: 16a0b46c96

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/2828380

Change-Id: Ia129b5ccc59335883413af2bc1132366c45d4365
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>