Option to disable buffering (fix #411)

app/build.gradle

@@ -36,11 +36,11 @@ android {
 }
 
 dependencies {
-    implementation 'com.google.android.material:material:1.1.0-alpha10'
+    implementation 'com.google.android.material:material:1.2.0-alpha04'
     implementation 'androidx.preference:preference:1.1.0'
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13'
     testImplementation 'org.robolectric:robolectric:4.1'
-    googleImplementation 'com.google.firebase:firebase-core:17.2.0'
+    googleImplementation 'com.google.firebase:firebase-core:17.2.2'
     googleImplementation 'com.crashlytics.sdk.android:crashlytics:2.10.1'
     googleImplementation 'com.google.android.gms:play-services-location:17.0.0'
 }