Fix InstrumentationInfo publicSourceDir

Assigned the wrong value, broke tests.

Bug: 145973535

Test: atest com.android.providers.media.scan.ModernMediaScannerTest#testPlaylistWpl succeeds
Change-Id: If222f52b3442cf95c7420056e6e059297584a9a1

core/java/android/content/pm/parsing/PackageInfoUtils.java

@@ -436,7 +436,7 @@ public class PackageInfoUtils {
         ii.functionalTest = i.functionalTest;
 
         ii.sourceDir = pkg.getBaseCodePath();
-        ii.publicSourceDir = pkg.getCodePath();
+        ii.publicSourceDir = pkg.getBaseCodePath();
         ii.splitNames = pkg.getSplitNames();
         ii.splitSourceDirs = pkg.getSplitCodePaths();
         ii.splitPublicSourceDirs = pkg.getSplitCodePaths();