Revert "Use the shared slots host memory allocator" This reverts commit fa6d39c4cc1df808f46f83d20408e7f57ea0ca82. Bug: 151752077 Bug: 149254427 Test: none Merged-In: I21124384d4e462305a186685a82c541e01a4cef9 Signed-off-by: Roman Kiryanov <rkir@google.com> Change-Id: Id0eeae8d1e13afba67ca36bb64e18f1444fdbf61