Move DummyUiActivity files to chrome_java_test_support target to expand visibility

Change-Id: I453ca43a33a0f37a0418d7d653f59c445154618b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1825123Reviewed-by: Theresa  <twellington@chromium.org>
Commit-Queue: Ender <ender@google.com>
Cr-Commit-Position: refs/heads/master@{#700348}

chrome/android/chrome_test_java_sources.gni

@@ -539,9 +539,4 @@ chrome_test_java_sources = [
   "javatests/src/org/chromium/chrome/browser/widget/bottomsheet/BottomSheetObserverTest.java",
   "javatests/src/org/chromium/chrome/browser/widget/bottomsheet/TestBottomSheetContent.java",
   "javatests/src/org/chromium/chrome/test/crash/IntentionalCrashTest.java",
-  "javatests/src/org/chromium/chrome/test/ui/DisableAnimationsTestRule.java",
-  "javatests/src/org/chromium/chrome/test/ui/DisableNativeTestRule.java",
-  "javatests/src/org/chromium/chrome/test/ui/DummyUiActivity.java",
-  "javatests/src/org/chromium/chrome/test/ui/DummyUiActivityTestCase.java",
-  "javatests/src/org/chromium/chrome/test/ui/LoadNative.java",
 ]

chrome/test/android/BUILD.gn

@@ -109,6 +109,11 @@ android_library("chrome_java_test_support") {
     "javatests/src/org/chromium/chrome/test/partnercustomizations/TestPartnerBrowserCustomizationsProvider.java",
     "javatests/src/org/chromium/chrome/test/ReducedModeNativeTestRule.java",
     "javatests/src/org/chromium/chrome/test/TestContentProvider.java",
+    "javatests/src/org/chromium/chrome/test/ui/DisableAnimationsTestRule.java",
+    "javatests/src/org/chromium/chrome/test/ui/DisableNativeTestRule.java",
+    "javatests/src/org/chromium/chrome/test/ui/DummyUiActivity.java",
+    "javatests/src/org/chromium/chrome/test/ui/DummyUiActivityTestCase.java",
+    "javatests/src/org/chromium/chrome/test/ui/LoadNative.java",
     "javatests/src/org/chromium/chrome/test/util/ActivityUtils.java",
     "javatests/src/org/chromium/chrome/test/util/ApplicationTestUtils.java",
     "javatests/src/org/chromium/chrome/test/util/BookmarkTestUtil.java",