Factor out the image classes to break circular dependency
This helps to break the circular dependency between common and
blockimgdiff.
Bug: 32379627
Test: unit tests pass
Change-Id: I90b5ff34782acbfac86f36265bd96c207d898bf6
diff --git a/tools/releasetools/Android.bp b/tools/releasetools/Android.bp
index 6b4e4f5..1bb1603 100644
--- a/tools/releasetools/Android.bp
+++ b/tools/releasetools/Android.bp
@@ -40,6 +40,7 @@
"common.py",
"edify_generator.py",
"img_from_target_files.py",
+ "images.py",
"make_recovery_patch.py",
"merge_target_files.py",
"ota_from_target_files.py",