Adds code to close all loggers when bitbake exits. This prevents
unclosed file ResourceWarnings. A form of this closing existed
previously, but was removed in the new logging code.
(Bitbake rev: b3f3779adf63c0d970462a558a6205da1d30c0ed)
Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>