feature: added libraries for 3rd party ad_impression sample snippets. We need to include these to ensure that the project builds and we can include the "override" methods for the 3rd parties.

Author: Grant Kemp

analytics/app/build.gradle

@@ -19,13 +19,22 @@ android {
         }
     }
 }
+repositories {
+    maven {
+        // Ironsource library used for ad_impression snippets
+        url "https://android-sdk.is.com/"
+    }
+}
 
 dependencies {
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
     implementation 'androidx.appcompat:appcompat:1.3.1'
-
     implementation "com.google.firebase:firebase-analytics:19.0.0"
     implementation "com.google.firebase:firebase-analytics-ktx:19.0.0"
+    // Ironsource and AppLovin libraries used for ad_impression snippets
+    implementation 'com.applovin:applovin-sdk:+'
+    implementation 'com.ironsource.sdk:mediationsdk:7.2.1.1'
+
 }
 
 apply plugin: 'com.google.gms.google-services'

analytics/settings.gradle

@@ -1 +1,10 @@
 include ':app'
+
+// Ironsource library used for ad_impression snippets
+dependencyResolutionManagement {
+    repositories {
+        maven {
+            url 'https://android-sdk.is.com/'
+        }
+    }
+}