Move heifwriter to the new proper directory structure

Bug: 134082137
Test: ./gradlew assembleDebug
Change-Id: Ie8a8a81848b1c4fb2dfd0a76d3bae94ee23c9db7
diff --git a/settings.gradle b/settings.gradle
index b12a2c4..bb5b01d 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -126,7 +126,7 @@
 includeProject(":fragment:fragment-truth", "fragment/fragment-truth")
 includeProject(":fakeannotations", "fakeannotations")
 includeProject(":gridlayout", "gridlayout")
-includeProject(":heifwriter", "heifwriter")
+includeProject(":heifwriter:heifwriter", "heifwriter/heifwriter")
 includeProject(":inspection:inspection", "inspection/inspection")
 includeProject(":inspection:inspection-testing", "inspection/inspection-testing")
 includeProject(":interpolator", "interpolator")