upload your apk directly from your pom

mvnProfileHockeyAppAndroidUpload

<profile>
    <id>hockeyAppUpload</id>
    <properties>
        <project.property.hockey.mode>true</project.property.hockey.mode>
    </properties>
    <build>
        <plugins>
            <plugin>
                <artifactId>maven-enforcer-plugin</artifactId>
                <executions>
                    <execution>
                        <id>enforce-versionCode-properties</id>
                        <goals>
                            <goal>enforce</goal>
                        </goals>
                        <configuration>
                            <rules>
                                <requireProperty>
                                    <property>hockeyApp.appToken</property>
                                    <message>The 'hockeyApp.appToken' property is missing.</message>
                                </requireProperty>
                                <requireProperty>
                                    <property>hockeyApp.apiToken</property>
                                    <message>The 'hockeyApp.apiToken' property is missing.</message>
                                </requireProperty>
                            </rules>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>exec-maven-plugin</artifactId>
                <version>1.2.1</version>
                <executions>
                    <execution>
                        <id>upload to hockey</id>
                        <phase>install</phase>
                        <goals>
                            <goal>exec</goal>
                        </goals>
                        <configuration>
                            <executable>curl</executable>
                            <workingDirectory>target</workingDirectory>
                            <arguments>
                                <argument>--silent</argument>
                                <arguent>--show-error</arguent>
                                <argument>-Fstatus=${hockeyApp.status}</argument>
                                <argument>-Fnotify=${hockeyApp.notify}</argument>
                                <argument>-Fnotes_type=1</argument>
                                <argument>-Fmandatory=${hockeyApp.mandatory}</argument>
                                <argument>-Fipa=@${project.build.finalName}.apk</argument>
                                <argument>-HX-HockeyAppToken: ${hockeyApp.apiToken}</argument>
                                <argument>
                                    https://rink.hockeyapp.net/api/2/apps/${hockeyApp.appToken}/app_versions
                                </argument>
                            </arguments>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
</profile>