Remove guava dependency (#309)

Summary:
It's only used in `JavascriptSessionTest`, and seems fine to keep it in tests

Resolves #172
Pull Request resolved: https://github.com/facebook/flipper/pull/309

Reviewed By: passy

Differential Revision: D12840362

Pulled By: jknoxville

fbshipit-source-id: 4ead5a4bf0c08d792abcadef713f907930a3e4e7

android/build.gradle

@@ -45,7 +45,6 @@ android {
         compileOnly deps.lithoAnnotations
         implementation project(':fbjni')
         implementation deps.soloader
-        implementation deps.guava
         implementation deps.jsr305
         implementation deps.supportAppCompat
         implementation deps.stetho

android/src/test/java/com/facebook/flipper/plugins/console/JavascriptSessionTest.java

@@ -9,9 +9,9 @@ package com.facebook.flipper.plugins.console;
 
 import static org.junit.Assert.assertEquals;
 
-import com.google.common.collect.ImmutableMap;
 import java.util.Collections;
 import java.util.HashMap;
+import java.util.Map;
 import org.json.JSONObject;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -42,12 +42,10 @@ public class JavascriptSessionTest {
 
   @Test
   public void testVariablesGetBoundCorrectly() throws Exception {
-    JavascriptSession session =
-        new JavascriptSession(
-            mContextFactory,
-            ImmutableMap.<String, Object>of(
-                "a", 2,
-                "b", 2));
+    Map<String, Object> data = new HashMap<>();
+    data.put("a", 2);
+    data.put("b", 2);
+    JavascriptSession session = new JavascriptSession(mContextFactory, data);
     JSONObject json = session.evaluateCommand("a+b");
     assertEquals("json", json.getString("type"));
     assertEquals(4, json.getInt("value"));
@@ -65,10 +63,9 @@ public class JavascriptSessionTest {
 
   @Test
   public void testJavaObjectEvaluation() throws Exception {
-    JavascriptSession session =
-        new JavascriptSession(
-            mContextFactory,
-            ImmutableMap.<String, Object>of("object", new HashMap<String, String>()));
+    Map<String, Object> data = new HashMap<>();
+    data.put("object", new HashMap<String, String>());
+    JavascriptSession session = new JavascriptSession(mContextFactory, data);
     JSONObject json = session.evaluateCommand("object");
     assertEquals("javaObject", json.getString("type"));
     assertEquals("{}", json.getJSONObject("value").getString("toString"));
@@ -76,10 +73,9 @@ public class JavascriptSessionTest {
 
   @Test
   public void testJavaMethodEvaluation() throws Exception {
-    JavascriptSession session =
-        new JavascriptSession(
-            mContextFactory,
-            ImmutableMap.<String, Object>of("object", new HashMap<String, String>()));
+    Map<String, Object> data = new HashMap<>();
+    data.put("object", new HashMap<String, String>());
+    JavascriptSession session = new JavascriptSession(mContextFactory, data);
     JSONObject json = session.evaluateCommand("object.get");
     assertEquals("method", json.getString("type"));
   }