[mob][photos] Copy change for empty people section

mobile/lib/generated/intl/messages_en.dart

@@ -1216,8 +1216,8 @@ class MessageLookup extends MessageLookupByLibrary {
             "Add descriptions like \"#trip\" in photo info to quickly find them here"),
         "searchDatesEmptySection": MessageLookupByLibrary.simpleMessage(
             "Search by a date, month or year"),
-        "searchFaceEmptySection":
-            MessageLookupByLibrary.simpleMessage("Find all photos of a person"),
+        "searchFaceEmptySection": MessageLookupByLibrary.simpleMessage(
+            "Persons will be shown here once local analysis is complete"),
         "searchFileTypesAndNamesEmptySection":
             MessageLookupByLibrary.simpleMessage("File types and names"),
         "searchHint1":

mobile/lib/generated/l10n.dart

@@ -6969,10 +6969,10 @@ class S {
     );
   }
 
-  /// `Find all photos of a person`
+  /// `Persons will be shown here once local analysis is complete`
   String get searchFaceEmptySection {
     return Intl.message(
-      'Find all photos of a person',
+      'Persons will be shown here once local analysis is complete',
       name: 'searchFaceEmptySection',
       desc: '',
       args: [],

mobile/lib/l10n/intl_en.arb

@@ -987,7 +987,7 @@
   "fileTypesAndNames": "File types and names",
   "location": "Location",
   "moments": "Moments",
-  "searchFaceEmptySection": "Find all photos of a person",
+  "searchFaceEmptySection": "Persons will be shown here once local analysis is complete",
   "searchDatesEmptySection": "Search by a date, month or year",
   "searchLocationEmptySection": "Group photos that are taken within some radius of a photo",
   "searchPeopleEmptySection": "Invite people, and you'll see all photos shared by them here",