Add appops command to devices

This is used to set appops permissions from the command line
or from CTS tests via the shell.

Change-Id: I8a71d1398e2071aecfd22be7b6530f186f40c2c0
diff --git a/target/product/base.mk b/target/product/base.mk
index 4df10c4..9713330 100644
--- a/target/product/base.mk
+++ b/target/product/base.mk
@@ -19,6 +19,7 @@
     20-dns.conf \
     95-configured \
     appwidget \
+    appops \
     am \
     android.policy \
     android.test.runner \