ART: Enable more libcore tests (libcore.* package)

This patch enables additional libcore tests run by the ART buildbots.
These are tests from the libcore.* packages and take extra ~3 minutes
to run on both host and target.

Change-Id: I89512836adb87b20ed5f9446d3b3ee245f9162dc
diff --git a/tools/run-libcore-tests.sh b/tools/run-libcore-tests.sh
index 9fa3fda..0f08928 100755
--- a/tools/run-libcore-tests.sh
+++ b/tools/run-libcore-tests.sh
@@ -28,9 +28,18 @@
 fi
 
 # Packages that currently work correctly with the expectation files.
-working_packages=("libcore.java.lang"
+working_packages=("libcore.icu"
+                  "libcore.io"
+                  "libcore.java.lang"
                   "libcore.java.math"
+                  "libcore.java.text"
                   "libcore.java.util"
+                  "libcore.javax.security"
+                  "libcore.javax.sql"
+                  "libcore.javax.xml"
+                  "libcore.net"
+                  "libcore.reflect"
+                  "libcore.util"
                   "org.apache.harmony.annotation"
                   "org.apache.harmony.regex"
                   "org.apache.harmony.tests.java.lang"