Allow in preview diff screens to select patch sets to be compared

Similar to the normal diff screens the preview diff screens have now a
header that shows the patch sets so that the user can change the
patch sets that are compared.

Change-Id: Ibb9d87ef8ee301170586f2b4b533ca086a04144d
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
6 files changed
tree: 3d93922529dc7d091645535b2e4a337caa9097e4
  1. .settings/
  2. lib/
  3. src/
  4. .buckconfig
  5. .gitignore
  6. BUCK
  7. LICENSE
  8. pom.xml
  9. VERSION