Set full-mode correctly for run_on_app_dumps

Change-Id: I4aeb82f47067a0474355e1034e4eeb410b70e4de

tools/run_on_app_dump.py

diff --git a/tools/run_on_app_dump.py b/tools/run_on_app_dump.py
index 4bf319b..4efac46 100755
--- a/tools/run_on_app_dump.py
+++ b/tools/run_on_app_dump.py
@@ -370,7 +370,7 @@
 
 
 def is_full_r8(shrinker):
-  return '-full' not in shrinker
+  return '-full' in shrinker
 
 
 def compute_size_of_dex_files_in_package(path):