Remove unneeded pom configuration.
Remove unneeded pom configuration.

After talking to Android Studio team we found that we dont need
to be specifying artifact types in the dependency list. Each library
already sets their type in the pom files.

Test: ./gradlew createArchive no longer adds <type>aar</type>
Change-Id: I8636652383bbaee20c7f000644d5f946fbd96e66

androidx/androidx,AndroidX/androidx,aosp-mirror/platform_frameworks_support,AndroidX/androidx,AndroidX/androidx,aosp-mirror/platform_frameworks_support,aosp-mirror/platform_frameworks_support,androidx/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,aosp-mirror/platform_frameworks_support,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,androidx/androidx,aosp-mirror/platform_frameworks_support,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx