Turn on -Wall for all modules. Also remove the obsolete file_cmp() in
apply_patch test and now() in wear_ui.
The only exception is lib_edify due to the unused functions in the
intermediate cpp files generated from the lex files. It will be handled
in a seperate CL.
Bug: 64939312
Test: mma, unit tests pass
Change-Id: Ic53f76b60b6401ab20db3d98130d674c08e3702f
We could inject I/O faults during an OTA update for test purpose. But we
should skip the injection if the update is an retry. Otherwise the
update test will simply keeps failing.
Bug: 34159970
Test: Apply the same package on angler and the update succeeds on the 2nd try.
Change-Id: Id274e5475e3bc8d25d50a8cf61a77d2e32c569d6
Clean up the duplicated codes that handle the zip files in
bootable/recovery; and rename the library of the remaining
utility functions to libotautil.
Test: Update package installed successfully on angler.
Bug: 19472796
Change-Id: Iea8962fcf3004473cb0322b6bb3a9ea3ca7f679e
