bootstat: Add bootstat to the embedded target to support logging boot
time across devices.

Bug: 21724738
Change-Id: I165e8597103ea235a0826e321a1658823c4b4664
diff --git a/target/product/embedded.mk b/target/product/embedded.mk
index 2428585..22cdd9c 100644
--- a/target/product/embedded.mk
+++ b/target/product/embedded.mk
@@ -22,6 +22,7 @@
     adbd \
     atrace \
     bootanimation \
+    bootstat \
     debuggerd \
     dumpstate \
     dumpsys \