Merge pull request innoveit#594 from SaeedZhiany/patch-1

Load Android Gradle Plugin conditionally

android/build.gradle

@@ -1,12 +1,17 @@
 buildscript {
-	repositories {
-		jcenter()
-		google()
-	}
+    // The Android Gradle plugin is only required when opening the android folder stand-alone.
+    // This avoids unnecessary downloads and potential conflicts when the library is included as a
+    // module dependency in an application project.
+    if (project == rootProject) {
+        repositories {
+            google()
+            jcenter()
+        }
 
-	dependencies {
-		classpath 'com.android.tools.build:gradle:3.5.2'
-	}
+        dependencies {
+            classpath("com.android.tools.build:gradle:3.6.1")
+        }
+    }
 }
 apply plugin: 'com.android.library'
 
@@ -16,7 +21,6 @@ def safeExtGet(prop, fallback) {
 
 android {
 	compileSdkVersion safeExtGet("compileSdkVersion", 29)
-	buildToolsVersion safeExtGet("buildToolsVersion", "28.0.3")
 
 	defaultConfig {
 		minSdkVersion safeExtGet("minSdkVersion", 19)