Export Room schemes (#963)

app/build.gradle

@@ -22,6 +22,12 @@ android {
         versionName "4.1"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
+
+        kapt {
+            arguments {
+                arg("room.schemaLocation", "$projectDir/schemas")
+            }
+        }
     }
     buildTypes {
         release {
@@ -56,6 +62,10 @@ android {
             includeAndroidResources = true
         }
     }
+    sourceSets {
+        androidTest.assets.srcDirs += files("$projectDir/schemas".toString())
+    }
+
 
     packagingOptions {
         // Exclude unneeded files added by libraries