cm: add lib7z to product packages

Add dependency for lib7z

Change-Id: Ic597456601e052dfe5413651de76d5a9880df786
diff --git a/config/common_full.mk b/config/common_full.mk
index 252bb9d..5fa1e1f 100644
--- a/config/common_full.mk
+++ b/config/common_full.mk
@@ -21,6 +21,7 @@
 # Extra tools in CM
 PRODUCT_PACKAGES += \
     7z \
+    lib7z \
     bash \
     bzip2 \
     curl \