Remove exported_java_libs from com.android.art prebuilt_apex

The exported_java_libs property is no longer needed as it duplicates
information that is already available through the
exported_bootclasspath_fragments property.

Bug: 179354495
Test: m nothing
Merged-In: I9292768743cbdaa43515451114ba42cbc74976fd
Change-Id: I9292768743cbdaa43515451114ba42cbc74976fd
(cherry picked from commit 3348742f523df5be6536577b52e63d6878942712)
1 file changed