Merge "Recognizing Launcher builds consisting only of digits" into sc-v2-dev am: 90a9982b36

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/16285317

Change-Id: Id1503027367fdc2c4e4f20fcf12de9863e012667

tests/src/com/android/launcher3/util/rule/TestStabilityRule.java

@@ -41,7 +41,7 @@ public class TestStabilityRule implements TestRule {
             Pattern.compile("^("
                     + "(?<local>(BuildFromAndroidStudio|"
                     + "([0-9]+|[A-Z])-eng\\.[a-z]+\\.[0-9]+\\.[0-9]+))|"
-                    + "(?<platform>[A-Z]([a-z]|[0-9])*)"
+                    + "(?<platform>([A-Z][a-z]*[0-9]*|[0-9]+)*)"
                     + ")$");
     private static final Pattern PLATFORM_BUILD =
             Pattern.compile("^("