OboeTester: bump to version 1.5.12
diff --git a/apps/OboeTester/app/build.gradle b/apps/OboeTester/app/build.gradle
index 14ad95e..2ca189f 100644
--- a/apps/OboeTester/app/build.gradle
+++ b/apps/OboeTester/app/build.gradle
@@ -6,8 +6,8 @@
         applicationId = "com.google.sample.oboe.manualtest"
         minSdkVersion 25
         targetSdkVersion 28
-        versionCode 20
-        versionName "1.5.11"
+        versionCode 21
+        versionName "1.5.12"
         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 4b38924..a6beb26 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.google.sample.oboe.manualtest"
-    android:versionCode="18"
-    android:versionName="1.5.01">
+    android:versionCode="21"
+    android:versionName="1.5.12">
     <!-- versionCode and versionName also have to be updated in build.gradle -->
 
     <uses-feature android:name="android.hardware.microphone" android:required="true" />