[C++][Parquet] Using length to optimize bloom filter read

[mapleFU]

Describe the enhancement requested

Parquet supports a bloom_filter_length in 2.10[1]. We'd like to using this length for read.

The current implemention [2] using the code below:

1. Using a "guessed" header length to read the header. The header is likely to be 40B, but we use a larger value to avoid it evolves
2. From the header, we get the bloom filter length, and load it from input.

Now, we can directly load the whole bloom-filter, without reading twice. We shouldn't remove the stale code because we need to read the stale file.

We also need to generate a new parquet-testing file ( I can do this ASAP )

[1] https://github.com/apache/parquet-format/blob/master/src/main/thrift/parquet.thrift#L824
[2] https://github.com/apache/arrow/blob/main/cpp/src/parquet/bloom_filter.cc#L117

Component(s)

C++, Parquet

[mapleFU]

I've generate test data in apache/parquet-testing#43