abandon/start/info: Make them respect smart sync override

Call TryOverrideManifestWithSmartSync in start, abandon, and info
commands.

This ensures they pick up the pinned revisions from the smart sync
override manifest if it exists, rather than falling back to ToT from
the default manifest.

Bug: 279204331
Change-Id: I637f054a77773805daf0bf9cf5a712d82a5959b4
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/582503
Reviewed-by: Mike Frysinger <vapier@google.com>
Tested-by: Gavin Mak <gavinmak@google.com>
Commit-Queue: Gavin Mak <gavinmak@google.com>

subcmds/abandon.py

@@ -94,6 +94,7 @@ It is equivalent to "git branch -D <branchname>".
 
     def Execute(self, opt, args):
         nb = args[0].split()
+        self.TryOverrideManifestWithSmartSync()
         err = collections.defaultdict(list)
         success = collections.defaultdict(list)
         aggregate_errors = []

subcmds/info.py

@@ -147,6 +147,8 @@ class Info(PagedCommand):
         if not opt.this_manifest_only:
             self.manifest = self.manifest.outer_client
 
+        self.TryOverrideManifestWithSmartSync()
+
         output_format = OutputFormat[opt.format.upper()]
         if output_format == OutputFormat.JSON:
             self._ExecuteJson(opt, args)

subcmds/start.py

@@ -104,6 +104,7 @@ revision specified in the manifest.
 
     def Execute(self, opt, args):
         nb = args[0]
+        self.TryOverrideManifestWithSmartSync()
         err_projects = []
         err = []
         projects = []