update_engine: remove version suffix in libbrillo build rules

The libbrillo library is installed without version suffix.

BUG=chromium:920513
TEST=emerge

Cq-Depend: chromium:1892317, chromium:1892377
Change-Id: I704dd1877e5994c10f629e6be9e74f4e0bdc5ddd
Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/system/update_engine/+/1890578
Tested-by: Grace Cham <hscham@chromium.org>
Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
Reviewed-by: Amin Hassani <ahassani@chromium.org>
Commit-Queue: Grace Cham <hscham@chromium.org>
diff --git a/BUILD.gn b/BUILD.gn
index 0cc27e6..d416b94 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -89,7 +89,7 @@
     "${platform2_root}/update_engine/client_library/include",
   ]
   pkg_deps = [
-    "libbrillo-${libbase_ver}",
+    "libbrillo",
     "libchrome-${libbase_ver}",
 
     # system_api depends on protobuf (or protobuf-lite). It must appear
@@ -245,7 +245,7 @@
   configs += [ ":target_defaults" ]
   libs = [
     "bz2",
-    "policy-${libbase_ver}",
+    "policy",
     "rootdev",
     "rt",
   ]
@@ -543,7 +543,7 @@
       ":target_defaults",
     ]
     pkg_deps = [
-      "libbrillo-test-${libbase_ver}",
+      "libbrillo-test",
       "libchrome-test-${libbase_ver}",
       "libdebugd-client-test",
       "libpower_manager-client-test",
@@ -569,7 +569,7 @@
       ":target_defaults",
     ]
     pkg_deps = [
-      "libbrillo-test-${libbase_ver}",
+      "libbrillo-test",
       "libchrome-test-${libbase_ver}",
     ]
     deps = [
@@ -586,7 +586,7 @@
       ":target_defaults",
     ]
     pkg_deps = [
-      "libbrillo-test-${libbase_ver}",
+      "libbrillo-test",
       "libchrome-test-${libbase_ver}",
     ]
     deps = [