Componentize CrashFileManager and MinidumpUploadCallable.

components/minidump_uploader/BUILD.gn

Index: components/minidump_uploader/BUILD.gn
diff --git a/components/minidump_uploader/BUILD.gn b/components/minidump_uploader/BUILD.gn
index 0e6692c9e87cdbc4aec008b9861fb08ff08d635f..a73f1683ad3218f2e71e5040553469d5b2f30dce 100644
--- a/components/minidump_uploader/BUILD.gn
+++ b/components/minidump_uploader/BUILD.gn
@@ -11,8 +11,24 @@ android_library("minidump_uploader_java") {
   ]
 
   java_files = [
+    "android/java/src/org/chromium/components/minidump_uploader/CrashFileManager.java",
+    "android/java/src/org/chromium/components/minidump_uploader/MinidumpUploadCallable.java",
     "android/java/src/org/chromium/components/minidump_uploader/util/CrashReportingPermissionManager.java",
     "android/java/src/org/chromium/components/minidump_uploader/util/HttpURLConnectionFactory.java",
     "android/java/src/org/chromium/components/minidump_uploader/util/HttpURLConnectionFactoryImpl.java",
   ]
 }
+
+android_library("minidump_uploader_javatests") {
+  testonly = true
+  deps = [
+    ":minidump_uploader_java",
+    "//base:base_java",
+    "//base:base_java_test_support",
+  ]
+  java_files = [
+    "android/javatests/src/org/chromium/components/minidump_uploader/CrashFileManagerTest.java",
+    "android/javatests/src/org/chromium/components/minidump_uploader/CrashTestCase.java",
+    "android/javatests/src/org/chromium/components/minidump_uploader/MinidumpUploadCallableTest.java",
+  ]
+}