@Override
  public AshmemMemoryChunk alloc(int bucketedSize) {
    return new AshmemMemoryChunk(bucketedSize);
  }
Manages a pool of ashmem memory chunks ({@link AshmemMemoryChunk})
memory-types/ashmem/src/main/java/com/facebook/imagepipeline/memory/AshmemMemoryChunkPool.java