Revert "Lookup in library classes before program classes"

This reverts commit d62e2d5b59aaaa5ba06fec796670297a29896853.

Reason for revert: Failure on Android Platform build. b/120884788#comment6

Change-Id: Icc0503085dc1688087bc243ff712c478cbb4fb04
diff --git a/tools/run_on_app.py b/tools/run_on_app.py
index b8bd0ed..a480214 100755
--- a/tools/run_on_app.py
+++ b/tools/run_on_app.py
@@ -15,7 +15,6 @@
 import gmscore_data
 import golem
 import nest_data
-from sanitize_libraries import SanitizeLibraries
 import toolhelper
 import utils
 import youtube_data
@@ -302,14 +301,9 @@
 
   if options.compiler == 'r8':
     if 'pgconf' in values and not options.k:
-      sanitized_lib_path = os.path.join(
-          os.path.abspath(outdir), 'sanitized_lib.jar')
-      sanitized_pgconf_path = os.path.join(
-          os.path.abspath(outdir), 'sanitized.config')
-      SanitizeLibraries(
-          sanitized_lib_path, sanitized_pgconf_path, values['pgconf'])
-      args.extend(['--pg-conf', sanitized_pgconf_path])
-      app_provided_pg_conf = True
+      for pgconf in values['pgconf']:
+        args.extend(['--pg-conf', pgconf])
+        app_provided_pg_conf = True
     if options.k:
       args.extend(['--pg-conf', options.k])
     if 'maindexrules' in values: