Revert "bug #5252975: guard against null bitmap object, don't NPE."

This reverts commit 7012ebe1c85e538c572e23d4cb98cad88699c782.

We would like to know the crash as soon as possible.
bug: 5252975
2 files changed
tree: f308067fef7f559f6a8e9d3b1e741cb361908607
  1. gallerycommon/
  2. src/
  3. src_pd/
  4. tests/