Updating test build rules

> Moving definition to bp files
> Adding mokito-inline to allow mocking final classes
> Moving src_common to src to avoid unnecessary code split

Bug: 196825541
Test: Presubmit
Change-Id: Ib6879cda6aee74f5b9050a16eb6ca94ed3b7e28c
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 8066816..c72f62d 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -31,6 +31,7 @@
         android:fullBackupOnly="true"
         android:fullBackupContent="@xml/backupscheme"
         android:hardwareAccelerated="true"
+        android:debuggable="true"
         android:icon="@drawable/ic_launcher_home"
         android:label="@string/derived_app_name"
         android:theme="@style/AppTheme"