Set target SDK version to 28 (Android Pie)

Author: gkalab

chessEngineSupportLibrary/build.gradle

@@ -1,12 +1,12 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 29
+    compileSdkVersion 28
     buildToolsVersion "28.0.3"
 
     defaultConfig {
         minSdkVersion 14
-        targetSdkVersion 29
+        targetSdkVersion 28
     }
 
     buildTypes {

scidOnTheGo/build.gradle

@@ -1,7 +1,7 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 29
+    compileSdkVersion 28
     buildToolsVersion "28.0.3"
 
     sourceSets.main {
@@ -12,7 +12,7 @@ android {
     defaultConfig {
         applicationId "org.scid.android"
         minSdkVersion 14
-        targetSdkVersion 29
+        targetSdkVersion 28
 
         ndk {
             moduleName "jni"