Upgrade Docker image and pyarrow in it#677

Merged

rshkv merged 3 commits intomasterfrom

wr/upgrade-image

May 1, 2020

Commits on May 1, 2020

[SPARK-27387][PYTHON][TESTS] Replace sqlutils.assertPandasEqual with Pandas assert_frame_equals

BryanCutler
authored and
rshkv
committed
[SPARK-29578][TESTS] Add "8634" as another skipped day for Kwajalein timzeone due to more recent timezone updates in later JDK 8

srowen
authored and
rshkv
committed
Update Dockerfile to bump base and pyarrow
rshkv
committed