New test app to test libraries.

Change-Id: I538c59d1712a2ea5caad9c88d6ae0fccdc29a967
diff --git a/.gitignore b/.gitignore
index 247eb2a..7540c8f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 local.properties
+.DS_Store
 *.iml
 *.ipr
 *.iws
@@ -9,5 +10,6 @@
 testapps/multiproject/*/build
 testapps/tictactoe/*/build
 testapps/applibtest/*/build
+testapps/libsTest/*/build
 /repo
 /out