Update leakcanary library to v1.4-beta2

Author: AChep

project/app/build.gradle

@@ -175,9 +175,9 @@ dependencies {
 
     // Leak canary
     //noinspection GradleDynamicVersion
-    debugCompile 'com.squareup.leakcanary:leakcanary-android:1.4-beta1'
+    debugCompile 'com.squareup.leakcanary:leakcanary-android:1.4-beta2'
     //noinspection GradleDynamicVersion
-    releaseCompile 'com.squareup.leakcanary:leakcanary-android-no-op:1.4-beta1'
+    releaseCompile 'com.squareup.leakcanary:leakcanary-android-no-op:1.4-beta2'
 
     // Testing-only dependencies
     //noinspection GradleDynamicVersion