Update Eclipse classpath and documentation for running JUnit tests.

Review-Url: https://codereview.chromium.org/2855873002
Cr-Commit-Position: refs/heads/master@{#468928}

docs/eclipse.md

@@ -176,9 +176,7 @@ settings below are inside Window > Preferences.
           * Select a Java 8 JRE
        * User Entries:
           * Add JARs...
-          * Select the following JAR files from `third_party/robolectric/lib`:
-             * `json-20080701.jar`
-             * `tagsoup-1.2.jar`
+          * Select the following JAR file from `third_party/robolectric/lib`:
              * `android-all-5.0.0_r2-robolectric-1.jar`
     * JRE tab:
        * Execution environment: Select the Java 8 JRE

tools/android/eclipse/.classpath

@@ -123,9 +123,6 @@ to the classpath for downstream development. See "additional_entries" below.
     <classpathentry kind="src" path="third_party/leakcanary/src/leakcanary-android/src/main/java"/>
     <classpathentry kind="src" path="third_party/leakcanary/src/leakcanary-watcher/src/main/java"/>
     <classpathentry kind="src" path="third_party/mockito/src/src/main/java"/>
-    <classpathentry kind="src" path="third_party/robolectric/robolectric/robolectric-annotations/src/main/java"/>
-    <classpathentry kind="src" path="third_party/robolectric/robolectric/robolectric-resources/src/main/java"/>
-    <classpathentry kind="src" path="third_party/robolectric/robolectric/robolectric-shadows/shadows-multidex/src/main/java"/>
     <classpathentry kind="src" path="tools/android/findbugs_plugin/src"/>
     <classpathentry kind="src" path="tools/android/findbugs_plugin/test/java/src"/>
     <classpathentry kind="src" path="tools/android/memconsumer/java/src"/>
@@ -295,9 +292,12 @@ to the classpath for downstream development. See "additional_entries" below.
     <classpathentry kind="lib" path="out/Debug/lib.java/third_party/cacheinvalidation/cacheinvalidation_proto_java.jar"/>
     <classpathentry kind="lib" path="out/Debug/lib.java/third_party/cardboard-java/cardboard-java.jar"/>
     <classpathentry kind="lib" path="out/Debug/lib.java/third_party/gif_player/gif_player_java.jar"/>
+    <classpathentry kind="lib" path="out/Debug/lib.java/third_party/guava/guava-20.0.jar"/>
+    <classpathentry kind="lib" path="out/Debug/lib.java/third_party/robolectric/robolectric_annotations_java.jar" sourcepath="third_party/robolectric/robolectric/robolectric-annotations/src/main/java"/>
     <classpathentry kind="lib" path="out/Debug/lib.java/third_party/robolectric/robolectric_java.jar" sourcepath="third_party/robolectric/robolectric/robolectric/src/main/java"/>
+    <classpathentry kind="lib" path="out/Debug/lib.java/third_party/robolectric/robolectric_resources_java.jar" sourcepath="third_party/robolectric/robolectric/robolectric-resources/src/main/java"/>
     <classpathentry kind="lib" path="out/Debug/lib.java/third_party/robolectric/robolectric_utils_java.jar" sourcepath="third_party/robolectric/robolectric/robolectric-utils/src/main/java"/>
-    <classpathentry kind="lib" path="out/Debug/lib.java/third_party/robolectric/shadows-core-3.0-21.jar" sourcepath="third_party/robolectric/robolectric/robolectric-shadows/shadows-core/src/main/java"/>
+    <classpathentry kind="lib" path="out/Debug/lib.java/third_party/robolectric/shadows-core-3.2.jar" sourcepath="third_party/robolectric/robolectric/robolectric-shadows/shadows-core/src/main/java"/>
     <classpathentry kind="lib" path="out/Debug/lib.java/third_party/robolectric/shadows-multidex-3.0.jar" sourcepath="third_party/robolectric/robolectric/robolectric-shadows/shadows-multidex/src/main/java"/>
     <classpathentry kind="lib" path="out/Debug/lib.java/third_party/android_support_test_runner/runner-0.5-release-no-dep.jar"/>
     <classpathentry kind="lib" path="out/Debug/lib.java/third_party/android_support_test_runner/rules_java.jar"/>