Move some RegExTestCaseFilter from c.g.testing.junit.runner.junit4 to
c.g.testing.junit.junit4.runner.

--
MOS_MIGRATED_REVID=134685188
diff --git a/src/java_tools/junitrunner/java/com/google/testing/junit/runner/junit4/RegExTestCaseFilter.java b/src/java_tools/junitrunner/java/com/google/testing/junit/junit4/runner/RegExTestCaseFilter.java
similarity index 97%
rename from src/java_tools/junitrunner/java/com/google/testing/junit/runner/junit4/RegExTestCaseFilter.java
rename to src/java_tools/junitrunner/java/com/google/testing/junit/junit4/runner/RegExTestCaseFilter.java
index 984ba49..225db33 100644
--- a/src/java_tools/junitrunner/java/com/google/testing/junit/runner/junit4/RegExTestCaseFilter.java
+++ b/src/java_tools/junitrunner/java/com/google/testing/junit/junit4/runner/RegExTestCaseFilter.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.testing.junit.runner.junit4;
+package com.google.testing.junit.junit4.runner;
 
 import java.util.regex.Pattern;
 import org.junit.runner.Description;
diff --git a/src/java_tools/junitrunner/java/com/google/testing/junit/runner/junit4/BUILD b/src/java_tools/junitrunner/java/com/google/testing/junit/runner/junit4/BUILD
index 1969031..b8887fc 100644
--- a/src/java_tools/junitrunner/java/com/google/testing/junit/runner/junit4/BUILD
+++ b/src/java_tools/junitrunner/java/com/google/testing/junit/runner/junit4/BUILD
@@ -9,12 +9,8 @@
 
 java_library(
     name = "junit4",
-    srcs = glob(
-        ["*.java"],
-        exclude = ["RegExTestCaseFilter.java"],
-    ),
+    srcs = glob(["*.java"]),
     deps = [
-        ":filter",
         "//src/java_tools/junitrunner/java/com/google/testing/junit/junit4:runner",
         "//src/java_tools/junitrunner/java/com/google/testing/junit/runner/internal",
         "//src/java_tools/junitrunner/java/com/google/testing/junit/runner/model",
@@ -27,14 +23,6 @@
     ],
 )
 
-java_library(
-    name = "filter",
-    srcs = ["RegExTestCaseFilter.java"],
-    deps = [
-        "//third_party:junit4",
-    ],
-)
-
 filegroup(
     name = "srcs",
     srcs = glob(["**"]),
diff --git a/src/java_tools/junitrunner/java/com/google/testing/junit/runner/junit4/JUnit4Runner.java b/src/java_tools/junitrunner/java/com/google/testing/junit/runner/junit4/JUnit4Runner.java
index 7c9338f..0dfd042 100644
--- a/src/java_tools/junitrunner/java/com/google/testing/junit/runner/junit4/JUnit4Runner.java
+++ b/src/java_tools/junitrunner/java/com/google/testing/junit/runner/junit4/JUnit4Runner.java
@@ -14,6 +14,7 @@
 
 package com.google.testing.junit.runner.junit4;
 
+import com.google.testing.junit.junit4.runner.RegExTestCaseFilter;
 import com.google.testing.junit.junit4.runner.SuiteTrimmingFilter;
 import com.google.testing.junit.runner.internal.Stdout;
 import com.google.testing.junit.runner.model.TestSuiteModel;