Some packages use the ruby "gem build" command to create gems,
which requires zlib, so add dependency on zlib-native or it
relies the host's zlib and fails on some host like CentOS:
| ERROR: Loading command: build (LoadError)
| cannot load such file -- zlib
| ERROR: While executing gem ... (NoMethodError)
Story: 2008204
Task: 40988
Change-Id: I2d8de8aab2ce3ca24d512354c75ebe34845e4ed0
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>