[android] - removed unused gradle plugins

Author: tobrun

platform/android/MapboxGLAndroidSDKTestApp/build.gradle

@@ -70,7 +70,6 @@ dependencies {
     }
 
     // Testing dependencies
-    androidTestCompile rootProject.ext.dep.testSpoonRunner
     androidTestCompile rootProject.ext.dep.supportAnnotations
     androidTestCompile rootProject.ext.dep.testRunner
     androidTestCompile rootProject.ext.dep.testRules
@@ -80,8 +79,6 @@ dependencies {
 
 apply from: 'gradle-make.gradle'
 apply from: 'gradle-config.gradle'
-apply from: 'gradle-device-farm.gradle'
-apply from: 'gradle-spoon.gradle'
 apply from: 'gradle-checkstyle.gradle'
 apply from: '../gradle-lint.gradle'
 

platform/android/MapboxGLAndroidSDKTestApp/gradle-device-farm.gradle

@@ -4,8 +4,6 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:2.3.1'
-        classpath 'com.amazonaws:aws-devicefarm-gradle-plugin:1.2'
-        classpath 'com.stanfy.spoon:spoon-gradle-plugin:1.2.1'
     }
 }
 

platform/android/MapboxGLAndroidSDKTestApp/gradle-spoon.gradle

@@ -27,7 +27,6 @@ ext {
             mockito                : 'org.mockito:mockito-core:2.10.0',
 
             // instrumentation test
-            testSpoonRunner        : 'com.squareup.spoon:spoon-client:1.7.1',
             testRunner             : "com.android.support.test:runner:${testRunnerVersion}",
             testRules              : "com.android.support.test:rules:${testRunnerVersion}",
             testEspressoCore       : "com.android.support.test.espresso:espresso-core:${espressoVersion}",