Android: Android studio single module per target

build/android/gradle/dependencies.jinja

Index: build/android/gradle/dependencies.jinja
diff --git a/build/android/gradle/dependencies.jinja b/build/android/gradle/dependencies.jinja
index c7e884a8be63606aed0dc6d70339955526f7ae06..e978304a9dd7a59c70ffbb7f28663de72a306e0f 100644
--- a/build/android/gradle/dependencies.jinja
+++ b/build/android/gradle/dependencies.jinja
@@ -3,16 +3,22 @@
 {# found in the LICENSE file. #}
 {% macro expand_deps(variables, prefix) %}
 {% if variables is defined %}
+{% if variables.prebuilts is defined %}
 {% for path in variables.prebuilts %}
     {{ prefix }} files("{{ path }}")
 {% endfor %}
+{% endif %}
+{% if variables.java_project_deps is defined %}
 {% for proj in variables.java_project_deps %}
     {{ prefix }} project(":{{ proj }}")
 {% endfor %}
+{% endif %}
+{% if variables.android_project_deps is defined %}
 {% for proj in variables.android_project_deps %}
     {{ prefix }} project(path: ":{{ proj }}", configuration: "debug")
 {% endfor %}
 {% endif %}
+{% endif %}
 {% endmacro %}
 
 dependencies {