Add utility used to style content with learn more links

Bug: 74017355
Test: ContentWithLearnMoreSpannerTest
PiperOrigin-RevId: 189252365
Change-Id: I3464fb56b86a6b3ddd25e9eed14152eaeed9925c
diff --git a/packages.mk b/packages.mk
index bc9f729..1157621 100644
--- a/packages.mk
+++ b/packages.mk
@@ -59,6 +59,7 @@
 	com.android.dialer.shortcuts \
 	com.android.dialer.simulator.impl \
 	com.android.dialer.speeddial \
+	com.android.dialer.spannable \
 	com.android.dialer.theme \
 	com.android.dialer.util \
 	com.android.dialer.voicemail.listui \