Cherry pick Correct array memory usage calculation for dictionary arrays to active_release

[alamb]

Automatic cherry-pick of f1a831f

• Originally appeared in Correct array memory usage calculation for dictionary arrays #505: Correct array memory usage calculation for dictionary arrays

[codecov-commenter]

Codecov Report

Merging #515 (9d2e599) into active_release (32b835e) will increase coverage by 0.10%.
The diff coverage is 100.00%.

@@                Coverage Diff                 @@
##           active_release     #515      +/-   ##
==================================================
+ Coverage           82.68%   82.79%   +0.10%     
==================================================
  Files                 163      163              
  Lines               44957    44940      -17     
==================================================
+ Hits                37172    37206      +34     
+ Misses               7785     7734      -51     

Impacted Files	Coverage Δ
arrow/src/array/array_binary.rs	92.23% <ø> (+2.10%)	⬆️
arrow/src/array/array_boolean.rs	94.01% <ø> (+3.10%)	⬆️
arrow/src/array/array_dictionary.rs	88.48% <ø> (+3.60%)	⬆️
arrow/src/array/array_list.rs	94.88% <ø> (+2.06%)	⬆️
arrow/src/array/array_primitive.rs	94.60% <ø> (-0.10%)	⬇️
arrow/src/array/array_string.rs	97.76% <ø> (+1.71%)	⬆️
arrow/src/array/array_struct.rs	89.24% <ø> (+1.39%)	⬆️
arrow/src/array/array_union.rs	89.26% <ø> (+2.33%)	⬆️
arrow/src/array/null.rs	83.78% <ø> (-2.89%)	⬇️
arrow/src/array/array.rs	80.90% <100.00%> (+4.04%)	⬆️
... and 3 more

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