prefer build.gradle with Android Plugin as source of package/version/code

These days, the location that overrides all the others is in the android{}
block of the build.gradle file that loads the com.android.application
plugin.  So this should be the preferred place to read these values.

test files GPL licensed: https://github.com/Integreight/1Sheeld-Android-App

tests/source-files/com.integreight.onesheeld/pullToRefreshlibrary/build.gradle

@@ -0,0 +1,20 @@
+apply plugin: 'com.android.library'
+android {
+    compileSdkVersion 25
+    buildToolsVersion "25.0.3"
+
+    defaultConfig {
+        minSdkVersion 9
+        targetSdkVersion 9
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
+        }
+    }
+}
+
+dependencies {
+}

tests/source-files/com.integreight.onesheeld/pullToRefreshlibrary/src/main/AndroidManifest.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.handmark.pulltorefresh.library"
+    android:versionCode="2110"
+    android:versionName="2.1.1" >
+
+    <uses-sdk android:minSdkVersion="4" />
+
+    <application />
+
+</manifest>