docs: clarify usage for adb am component option

Change-Id: I0b99dffc0b9d465c3a639bd1f7760561e40e2a5f
diff --git a/docs/html/tools/help/adb.jd b/docs/html/tools/help/adb.jd
index 47e892e..e0ee0e6 100644
--- a/docs/html/tools/help/adb.jd
+++ b/docs/html/tools/help/adb.jd
Binary files differ