libbinder: split out PackageManagerNative aidl

Very few clients of libbinder use PackageManagerNative service, as such
it's a waste to couple them together. Now, user of PackageManagerNative
service need to add the corresponding aidl files as shared library.

Bug: 183654927
Test: builds + presubmit
Ignore-AOSP-First: To avoid merge conflicts, uploading it internally
first. Will be cherry-picked to AOSP later.

Change-Id: Ic2562a3ba1d7d84ab6c9a3836976608a3aa0b2dd