Add eclipse jdt package attribute "manipulation" to be ignored

The "manipulation" attribute is used to mark some split packages
from JDT. This change updates the eclipse.importpackage rule to
ignore this attribute so it does not get added to our imports.

Signed-off-by: Thomas Watson <tjwatson@us.ibm.com>

cnf/includes/bndtools.bnd

@@ -12,8 +12,8 @@ Bundle-DocURL: https://bndtools.org/
 # considered API by the Eclipse project and therefore is free
 # to move to another bundle.
 eclipse.importpackage: \
- org.eclipse.jdt.internal.corext.refactoring.*;version=!;ui.workbench=!;common=!;registry=!;texteditor=!;text=!,\
- org.eclipse.*;bundle-symbolic-name="${@bundlesymbolicname}";bundle-version="${range;[==,+);${@bundleversion}}";version=!;ui.workbench=!;common=!;registry=!;texteditor=!;text=!
+ org.eclipse.jdt.internal.corext.refactoring.*;version=!;ui.workbench=!;common=!;registry=!;texteditor=!;text=!;manipulation=!,\
+ org.eclipse.*;bundle-symbolic-name="${@bundlesymbolicname}";bundle-version="${range;[==,+);${@bundleversion}}";version=!;ui.workbench=!;common=!;registry=!;texteditor=!;text=!;manipulation=!
 
  # Decorate Equinox OSGi framework dependency
 -buildpath+.equinox: "org.eclipse.osgi";maven-scope=provided