lower minSDK and implement RGL in smaple app

Author: utsavdotpro

.idea/gradle.xml

@@ -7,7 +7,7 @@ android {
     buildToolsVersion "30.0.2"
 
     defaultConfig {
-        minSdkVersion 21
+        minSdkVersion 19
         targetSdkVersion 30
         versionCode 1
         versionName "1.0"

.idea/vcs.xml

@@ -33,6 +33,9 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'com.google.android.material:material:1.2.1'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+
+    implementation project(":RearrangingGridLayout")
+
     testImplementation 'junit:junit:4.+'
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'