Fix test to match new API contract

The API now returns "shared:<<shared_id>>" for shared users instead
of "<<shared_id>>:<<uid>>".

Bug: 62805090
Test: cts-tradefed run commandAndExit cts-dev -m CtsContentTestCases -t android.content.pm.cts.PackageManagerTest#testGetNamesForUids_null
Test: cts-tradefed run commandAndExit cts-dev -m CtsContentTestCases -t android.content.pm.cts.PackageManagerTest#testGetNamesForUids_empty
Test: cts-tradefed run commandAndExit cts-dev -m CtsContentTestCases -t android.content.pm.cts.PackageManagerTest#testGetNamesForUids_valid
Change-Id: I2c94e22493c285260b89361535da72c407e073dd
diff --git a/tests/tests/content/src/android/content/pm/cts/PackageManagerTest.java b/tests/tests/content/src/android/content/pm/cts/PackageManagerTest.java
index d1bab79..5140e69 100644
--- a/tests/tests/content/src/android/content/pm/cts/PackageManagerTest.java
+++ b/tests/tests/content/src/android/content/pm/cts/PackageManagerTest.java
@@ -491,7 +491,7 @@
         result = mPackageManager.getNamesForUids(uids);
         assertNotNull(result);
         assertEquals(3, result.length);
-        assertEquals("android.uid.system:1000", result[0]);
+        assertEquals("shared:android.uid.system", result[0]);
         assertEquals(null, result[1]);
         assertEquals("com.android.cts.ctsshim", result[2]);
     }