Change tests to be instrumentationTests everywhere.

This is to not collide with jUnit 'tests'. The idea is
to allow regular jUnit tests in the same project, alongside
instrumentation (and ui automator) tests.

Change-Id: I8db8527f82f16860a83c1d2def996e8074282c5d
diff --git a/tests/multiproject/build.gradle b/tests/multiproject/build.gradle
index 157183f..e224b4f 100644
--- a/tests/multiproject/build.gradle
+++ b/tests/multiproject/build.gradle
@@ -14,3 +14,5 @@
         mavenCentral()
     }
 }
+
+apply plugin: 'android-reporting'
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