common: Add getcap/setcap to PRODUCT_PACKAGES

* These are pretty useful for debugging config.fs
  changes without rebuilding full system/vendor image.

Change-Id: I68fdeb2dc7c9f225784b55425407657645e34ac8
diff --git a/config/common.mk b/config/common.mk
index d2f8485..4f04a76 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -177,11 +177,13 @@
     bash \
     bzip2 \
     curl \
+    getcap \
     htop \
     lib7z \
     libsepol \
     pigz \
     powertop \
+    setcap \
     unrar \
     unzip \
     vim \