Remove the docstring dependency on telephony-common

There should no longer be a requirement for frameworks/base
to rely on telephony-common, so we should remove this
possible source of circular build dependency.

Bug: 37360341
Test: checkbuild
Change-Id: I3cc198e25e3b4cfb7c0796246f6b3c4a7733e828
diff --git a/Android.mk b/Android.mk
index 991d185..9072e3b 100644
--- a/Android.mk
+++ b/Android.mk
@@ -908,7 +908,6 @@
 	ext \
 	icu4j \
 	framework \
-	telephony-common \
 	voip-common
 
 framework_docs_LOCAL_JAVA_LIBRARIES := \