Add dirty_image_objects file.

Allows grouping of classes with dirty static fields to be grouped
together in the image to have fewer dirty pages.

Bug: 62554875
Test: mm test-art-host

(cherry picked from commit 37641ae54ab72509276d0fdd3f0fabeea9988c4a)

Change-Id: Ibc30b13edb9554f79df86e98253ae318a5ece342
2 files changed