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ARROW-10333: [Java] Get rid of org.apache.arrow.util in vector

The package `org.apache.arrow.util` was present in the artifacts arrow-vector and arrow-vector-memory-core. Split packages are a problem for OSGI and the Java 9+ modules (JPMS).

This PR moves the classes `AutoClosables` and `Collections2` to arrow-memory-core because they are generally useful and have no coupling with arrow-vector.
The class `DataSizeRoundingUtil` is tighter coupled with arrow-vector and is therefore moved to the package `org.apache.arrow.vector.util`.

Closes #8483 from HedgehogCode/fix-split-packages

Authored-by: Benjamin Wilhelm <benjamin.wilhelm@knime.com>
Signed-off-by: liyafan82 <fan_li_ya@foxmail.com>