[inc] Enable the mandatory IncFS patch verification

SELinux fix for b/185490481 has landed everywhere, and now
is the time to enable the test back

Bug: 185490481
Test: atest PackageManagerShellCommandIncrementalTest
Change-Id: I2b8caafc0047a77b244a5eacc401f3baf49f8df2
diff --git a/tests/tests/content/src/android/content/pm/cts/PackageManagerShellCommandIncrementalTest.java b/tests/tests/content/src/android/content/pm/cts/PackageManagerShellCommandIncrementalTest.java
index 43e140a..8470a12 100644
--- a/tests/tests/content/src/android/content/pm/cts/PackageManagerShellCommandIncrementalTest.java
+++ b/tests/tests/content/src/android/content/pm/cts/PackageManagerShellCommandIncrementalTest.java
@@ -55,7 +55,6 @@
 import org.junit.Assert;
 import org.junit.Assume;
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
@@ -169,7 +168,6 @@
     }
 
     @Test
-    @Ignore("Wait until the kernel change lands in RVC branch for the mixed vendor image tests")
     public void testBug183952694Fixed() throws Exception {
         // first ensure the IncFS is up and running, e.g. if it's a module
         installPackage(TEST_APK);