Merge pull request #9188 from nextcloud/leakCanary

Use LeakCanary in debug mode

build.gradle

@@ -338,6 +338,10 @@ dependencies {
         }
     }
 
+    if (!ciBuild) {
+        debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.7'
+    }
+
     // dependencies for local unit tests
     testImplementation 'junit:junit:4.13.2'
     testImplementation "org.mockito:mockito-core:$mockitoVersion"