Revert "Make default namespace an "alias" for runtime rather than the other way"

This reverts commit 5fe1b23d54303a1adf91b644f26f6df066e175ed.

Reason for revert: Breaks android.compilation.cts.AdbRootDependentCompilationTest#testCompile_curProfile and others: http://g/art-team/R2nEDA1Ka_s

Change-Id: I6bddceda13239fc6e27748128352c6954eaab660
1 file changed