Move minSdkVersion and targetSdkVersion to gradle

The min and target SDK versions should be declared in Gradle now instead of the Manifest.

Author: cassgenerator

JniBitmapOperationsLibrary/AndroidManifest.xml

@@ -1,11 +1,4 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.example.jnibitmapoperationslibrary"
     android:versionCode="1"
-    android:versionName="1.0" >
-
-    <uses-sdk
-        android:minSdkVersion="8"
-        android:targetSdkVersion="23" />
-
-
-</manifest>
+    android:versionName="1.0" />

JniBitmapOperationsLibrary/build.gradle

@@ -25,6 +25,8 @@ android {
             cFlags "-DANDROID_NDK_HOME"
             stl "stlport_shared"
         }
+        minSdkVersion  8
+        targetSdkVersion 23
     }
 
     externalNativeBuild {

build.gradle

@@ -10,7 +10,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.2.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files