@VisibleForTesting
  int getBucketedSize(int size) {
    size = Math.max(size, mMinByteArraySize);
    return Integer.highestOneBit(size - 1) * 2;
  }
Responds to memory pressure by simply 'discarding' the local byte array if it is not used at
the moment.

@param trimType kind of trimming to perform (ignored)
imagepipeline/src/main/java/com/facebook/imagepipeline/memory/SharedByteArray.java