tree cf49fabe65a733c9cb2edea325c1958cc0d254a3
parent 35b77c9b2b4fedf4d32a06b02aa7961f883f90e2
author Willy Tu <wltu@google.com> 1631515242 -0700
committer Willy Tu <wltu@google.com> 1636262302 -0700

updater: remove find() and use std::string::starts_with()

Use std::string::starts_with to check for active blob prefix.

Change-Id: I03271c5f19781b522287d09ed8e2882baf68d3e0
Signed-off-by: Willy Tu <wltu@google.com>