Allow profiling for standalone system server jars.

Currently we profile only main system server classpath, this is to allow
profiling for the standalone system server jars.

Bug: 241823638
Test: System server profiling: verified the profile snapshot of the boot image profile, and it showed the new jars profiling data.
Change-Id: I5b10373fb22ddfecdb95b6a4611f4af97bb5666d