Add a test app for assets support.

Also fix some issues related to input detection of some tasks.

Change-Id: I38ac5a151fe1ac84c03fc0cafb8cab31117888a1
diff --git a/.gitignore b/.gitignore
index 7157013..ff1178c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,13 +8,14 @@
 gradle/build
 tests/*/build
 tests/api/*/build
-tests/multiproject/*/build
-tests/tictactoe/*/build
 tests/applibtest/*/build
+tests/assets/*/build
 tests/flavorlib/*/build
 tests/flavorlibWithFailedTests/*/build
 tests/libsTest/*/build
+tests/multiproject/*/build
 tests/renderscriptInLib/*/build
 tests/repo/*/build
+tests/tictactoe/*/build
 /repo
 /out