Split string properly in package name validator

Test: atest frameworks/base/core/tests/coretests/src/android/provider/SettingsValidatorsTest.java
Bug: 64988620
Change-Id: I35b93a9ba317dc31494bffb7ad3576ad7290220f

1 files changed, 1 insertions, 1 deletions

diff --git a/core/java/android/provider/SettingsValidators.java b/core/java/android/provider/SettingsValidators.java
index c384a2a6e0f5..84c9e8867c44 100644
--- a/core/java/android/provider/SettingsValidators.java
+++ b/core/java/android/provider/SettingsValidators.java
@@ -97,7 +97,7 @@ public class SettingsValidators {
             if (value == null) {
                 return false;
             }
-            String[] subparts = value.split(".");
+            String[] subparts = value.split("\\.");
             boolean isValidPackageName = true;
             for (String subpart : subparts) {
                 isValidPackageName |= isSubpartValidForPackageName(subpart);