Cross-device sync implementation (#505)

* first run updates for sync
* finish sync implementation and fix build for openssl 1.1.1b required for sdk
* fix openssl recipe and tweak build
* fix NativeModules import on wallet page
* display total wallet balance. fix dispatch prop.
* add pipeline status to README.md
* remove unused build recipes
* hide 'No, thanks' button during email new request
* bumpversion 0.6.0 --> 0.6.1
* move unclaimed reward amount to the left of floating wallet balance
* Upgrade to React Native 0.59.3 (#513)
* upgrade to react native 0.59.3
* add FOREGROUND_SERVICE permission for Android 9 Pie (target sdk 28)
* put android.permission.FOREGROUND_SERVICE permission directly in AndroidManifest
* allow cleartext traffic
* minor copy changes
* enable secure password input and auto account_unlock on startup

src/main/java/io/lbry/browser/reactmodules/UtilityModule.java

@@ -33,6 +33,7 @@ import java.io.IOException;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Random;
+import java.security.KeyStore;
 
 import io.lbry.browser.MainActivity;
 import io.lbry.browser.R;
@@ -52,9 +53,16 @@ public class UtilityModule extends ReactContextBaseJavaModule {
 
     private Context context;
 
+    private KeyStore keyStore;
+
     public UtilityModule(ReactApplicationContext reactContext) {
         super(reactContext);
         this.context = reactContext;
+        try {
+            this.keyStore = Utils.initKeyStore(context);
+        } catch (Exception ex) {
+            // continue without keystore
+        }
     }
 
     @Override
@@ -300,4 +308,21 @@ public class UtilityModule extends ReactContextBaseJavaModule {
                 (Build.BRAND.startsWith("generic") && Build.DEVICE.startsWith("generic"))
                );
     }
+
+    @ReactMethod
+    public void setSecureValue(String key, String value) {
+        if (keyStore != null) {
+            Utils.setSecureValue(key, value, context, keyStore);
+        }
+    }
+
+    @ReactMethod
+    public void getSecureValue(String key, Promise promise) {
+        if (keyStore == null) {
+            promise.reject("no keyStore found");
+            return;
+        }
+
+        promise.resolve(Utils.getSecureValue(key, context, keyStore));
+    }
 }