Setup a maven project to mimic Android default setup for libraries.

maven-apklib-pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" 
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <name>Example APK Lib</name>
    <groupId>com.example</groupId>
    <artifactId>example-android-apklib</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>apklib</packaging>

    <properties>
      <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
      <android.platform.version>4.1.1.4</android.platform.version>
      <android.sdk.level>16</android.sdk.level>
    </properties>

    <dependencies>
        <dependency>
            <groupId>com.google.android</groupId>
            <artifactId>android</artifactId>
            <version>${android.platform.version}</version>
            <scope>provided</scope>
        </dependency>
    </dependencies>

    <build>
      <sourceDirectory>${project.basedir}/src</sourceDirectory>
      <directory>${project.basedir}/bin</directory>
      <plugins>
        <plugin>
          <groupId>com.jayway.maven.plugins.android.generation2</groupId>
          <artifactId>android-maven-plugin</artifactId>
          <version>3.5.0</version>
          <extensions>true</extensions>
          <configuration>
            <androidManifestFile>${project.basedir}/AndroidManifest.xml</androidManifestFile>
            <assetsDirectory>${project.basedir}/assets</assetsDirectory>
            <resourceDirectory>${project.basedir}/res</resourceDirectory>
            <nativeLibrariesDirectory>${project.basedir}/native</nativeLibrariesDirectory>
            <sdk>
              <platform>${android.sdk.level}</platform>
            </sdk>
            <undeployBeforeDeploy>true</undeployBeforeDeploy>
          </configuration>
        </plugin>
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>2.5.1</version>
          <configuration>
            <source>1.6</source>
            <target>1.6</target>
          </configuration>
        </plugin>
      </plugins>
    </build>
</project>