generate OTA packages that use edify
Split the details of generating script syntax into a generator class:
one for amend (whose output should be equivalent to the current
output), and one for edify.
Fix 'otatools' build rule to build imgdiff.
diff --git a/core/Makefile b/core/Makefile
index 5e5c735..2052294 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -754,6 +754,7 @@
$(HOST_OUT_EXECUTABLES)/zipalign \
$(HOST_OUT_EXECUTABLES)/aapt \
$(HOST_OUT_EXECUTABLES)/bsdiff \
+ $(HOST_OUT_EXECUTABLES)/imgdiff \
$(HOST_OUT_JAVA_LIBRARIES)/dumpkey.jar \
$(HOST_OUT_JAVA_LIBRARIES)/signapk.jar