Refactor Bitmap::new

[HaoYang670]

Signed-off-by: remzi [email protected]

Which issue does this PR close?

Closes #1337.

Rationale for this change

bit_util has provided some functions to calculate the ceiling and multiple, so we can use them in Bitmap::new to achieve a faster and cleaner code.

What changes are included in this PR?

Are there any user-facing changes?

None.

[codecov-commenter]

Codecov Report

Merging #1343 (d8dd8dc) into master (ecba7dc) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #1343   +/-   ##
=======================================
  Coverage   83.04%   83.04%           
=======================================
  Files         181      181           
  Lines       52937    52934    -3     
=======================================
- Hits        43960    43958    -2     
+ Misses       8977     8976    -1     

Impacted Files	Coverage Δ
arrow/src/bitmap.rs	87.50% <100.00%> (-0.64%)	⬇️
parquet_derive/src/parquet_field.rs	66.21% <0.00%> (-0.23%)	⬇️
arrow/src/array/transform/mod.rs	84.65% <0.00%> (+0.13%)	⬆️
arrow/src/datatypes/field.rs	54.10% <0.00%> (+0.30%)	⬆️

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[sunchao]

LGTM

[sunchao]

Merged, thanks @HaoYang670 !