Add Check and DCheck java classes to base

base/BUILD.gn

Index: base/BUILD.gn
diff --git a/base/BUILD.gn b/base/BUILD.gn
index 0aa2a8eeb3e068d871b811962971ff807640994c..500962998f3b2fe02208b62b8003344824b4909c 100644
--- a/base/BUILD.gn
+++ b/base/BUILD.gn
@@ -2203,6 +2203,7 @@ if (is_android) {
       "android/java/src/org/chromium/base/BaseSwitches.java",
       "android/java/src/org/chromium/base/BuildInfo.java",
       "android/java/src/org/chromium/base/Callback.java",
+      "android/java/src/org/chromium/base/Check.java",
       "android/java/src/org/chromium/base/CollectionUtil.java",
       "android/java/src/org/chromium/base/CommandLine.java",
       "android/java/src/org/chromium/base/CommandLineInitUtil.java",
@@ -2342,6 +2343,7 @@ if (is_android) {
   junit_binary("base_junit_tests") {
     java_files = [
       "android/junit/src/org/chromium/base/BaseChromiumApplicationTest.java",
+      "android/junit/src/org/chromium/base/CheckTest.java",
       "android/junit/src/org/chromium/base/LogTest.java",
       "test/android/junit/src/org/chromium/base/test/util/DisableIfTest.java",
       "test/android/junit/src/org/chromium/base/test/util/MinAndroidSdkLevelSkipCheckTest.java",
@@ -2352,6 +2354,7 @@ if (is_android) {
       ":base_java",
       ":base_java_test_support",
       ":base_junit_test_support",
+      "//third_party/junit:hamcrest",
     ]
   }