bsdiff: mark stable

- Marks bsdiff as stable
- Adds dependency to app-arch/brotli

BUG=chromium:783437
TEST=unittests pass
CQ-DEPEND=CL:768600,CL:761342

Change-Id: I19da0e1ca6c3fe53cab6afbc6751e55e48e1bd94
Reviewed-on: https://chromium-review.googlesource.com/769228
Commit-Ready: Amin Hassani <ahassani@chromium.org>
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Chirantan Ekbote <chirantan@chromium.org>
diff --git a/dev-util/bsdiff/bsdiff-9999.ebuild b/dev-util/bsdiff/bsdiff-9999.ebuild
index eea2ea3..2c8bbbe 100644
--- a/dev-util/bsdiff/bsdiff-9999.ebuild
+++ b/dev-util/bsdiff/bsdiff-9999.ebuild
@@ -28,6 +28,7 @@
 IUSE="cros_host"
 
 RDEPEND="
+	app-arch/brotli
 	app-arch/bzip2
 	dev-libs/libdivsufsort
 "