update_engine: Store fingerprint value from Omaha response.
Store the unique fp value from response into prefs. Value is later sent
to Omaha to determine if there is a subsequent update available
while the system is waiting to be rebooted.
BUG=b:161259884
TEST=cros_workon_make --board=hatch --test update_engine
Change-Id: Ie37aa5da3cd8a0820e633f5ef426fb50e8a02838
Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/system/update_engine/+/2491618
Tested-by: Vyshu Khota <vyshu@google.com>
Commit-Queue: Vyshu Khota <vyshu@google.com>
Reviewed-by: Amin Hassani <ahassani@chromium.org>
diff --git a/common/prefs.h b/common/prefs.h
index 3fc1d89..d6ef668 100644
--- a/common/prefs.h
+++ b/common/prefs.h
@@ -74,6 +74,8 @@
bool Exists(const std::string& key) const override;
bool Delete(const std::string& key) override;
+ bool Delete(const std::string& pref_key,
+ const std::vector<std::string>& nss) override;
bool GetSubKeys(const std::string& ns,
std::vector<std::string>* keys) const override;