OboeTester: bump version to 2.2.2
diff --git a/apps/OboeTester/app/build.gradle b/apps/OboeTester/app/build.gradle
index fb9cdd2..853478b 100644
--- a/apps/OboeTester/app/build.gradle
+++ b/apps/OboeTester/app/build.gradle
@@ -7,8 +7,8 @@
         minSdkVersion 23
         targetSdkVersion 29
         // Also update the versions in the AndroidManifest.xml file.
-        versionCode 56
-        versionName "2.2.1"
+        versionCode 57
+        versionName "2.2.2"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         externalNativeBuild {
             cmake {
diff --git a/apps/OboeTester/app/src/main/AndroidManifest.xml b/apps/OboeTester/app/src/main/AndroidManifest.xml
index a5db152..dd4c790 100644
--- a/apps/OboeTester/app/src/main/AndroidManifest.xml
+++ b/apps/OboeTester/app/src/main/AndroidManifest.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.mobileer.oboetester"
-    android:versionCode="56"
-    android:versionName="2.2.1">
+    android:versionCode="57"
+    android:versionName="2.2.2">
     <!-- versionCode and versionName also have to be updated in build.gradle -->
     <uses-feature
         android:name="android.hardware.microphone"