Change packaging to aar

jitpack.yml

 jdk:
   - openjdk11
-before_install:
-  - ./scripts/prepareJitpackEnvironment.sh
 install:
   - FILE="-Dfile=matrix-sdk-android-release.aar"
   - mvn install:install-file $FILE -DgroupId=org.futo.gitlab.circles -DartifactId=matrix-android-sdk -Dversion=1.6.10.1 -Dpackaging=aar -DgeneratePom=true
\ No newline at end of file

pom.xml

@@ -10,7 +10,7 @@
   <groupId>org.futo.gitlab.circles</groupId>
   <artifactId>matrix-android-sdk</artifactId>
   <version>1.6.10.1</version>
-  <packaging>pom</packaging>
+  <packaging>aar</packaging>
   <dependencies>
     <dependency>
       <groupId>io.realm</groupId>