Clean the license metadata on dependencies of module android.test.legacy

1) Moved the patched junit code in test-base and test-runner to a new directory test-junit which is under license CPL-1.0.
2) Clean the license metadata on packages in test-base, test-mock, test-runner and test-junit so packages have their license metadata precisely.
3) With this cleanup the Android.mk in test-legacy could be converted to Soong with license metadata handled properly, see b/319031379 and aosp/2900169.

Bug: 328809280
Test: CIs
Change-Id: I2a5832a97b09a5c7d064b8c2adbc0b04a325f326
diff --git a/test-runner/Android.bp b/test-runner/Android.bp
index 21e09d3..6b5be3cb 100644
--- a/test-runner/Android.bp
+++ b/test-runner/Android.bp
@@ -14,29 +14,19 @@
 // limitations under the License.
 //
 
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
 // Build the android.test.runner library
 // =====================================
-package {
-    // See: http://go/android-license-faq
-    default_applicable_licenses: ["frameworks_base_test-runner_license"],
-}
-
-license {
-    name: "frameworks_base_test-runner_license",
-    visibility: [":__subpackages__"],
-    license_kinds: [
-        "SPDX-license-identifier-Apache-2.0",
-        "SPDX-license-identifier-CPL-1.0",
-    ],
-    license_text: [
-        "src/junit/cpl-v10.html",
-    ],
-}
-
 java_sdk_library {
     name: "android.test.runner",
 
-    srcs: [":android-test-runner-sources"],
+    srcs: [
+        ":android-test-runner-sources",
+        ":frameworks-base-test-junit-runner",
+    ],
 
     errorprone: {
         javacflags: ["-Xep:DepAnn:ERROR"],