refactor(profiles): use @{bin} and @{lib} in profiles (1)

apparmor.d/groups/browsers/chromium-wrapper

@@ -7,29 +7,29 @@ abi <abi/3.0>,
 
 include <tunables/global>
 
-@{exec_path} = /{usr/,}bin/chromium
+@{exec_path} = @{bin}/chromium
 profile chromium-wrapper @{exec_path} {
   include <abstractions/base>
   include <abstractions/freedesktop.org>
 
   @{exec_path} r,
 
-  /{usr/,}lib/chromium/chromium rPx,
+  @{lib}/chromium/chromium rPx,
 
-  /{usr/,}bin/{,ba,da}sh rix,
-  /{usr/,}bin/{,e}grep   rix,
-  /{usr/,}bin/cat        rix,
-  /{usr/,}bin/cut        rix,
-  /{usr/,}bin/expr       rix,
-  /{usr/,}bin/ls         rix,
-  /{usr/,}bin/mktemp     rix,
-  /{usr/,}bin/rm         rix,
-  /{usr/,}bin/sed        rix,
-  /{usr/,}bin/tr         rix,
-  /{usr/,}bin/uname      rix,
+  @{bin}/{,ba,da}sh rix,
+  @{bin}/{,e}grep   rix,
+  @{bin}/cat        rix,
+  @{bin}/cut        rix,
+  @{bin}/expr       rix,
+  @{bin}/ls         rix,
+  @{bin}/mktemp     rix,
+  @{bin}/rm         rix,
+  @{bin}/sed        rix,
+  @{bin}/tr         rix,
+  @{bin}/uname      rix,
 
-  /{usr/,}bin/man       rPUx, #  For "chromium --help"
-  # /{usr/,}bin/gdb   rPUx,
+  @{bin}/man       rPUx, #  For "chromium --help"
+  # @{bin}/gdb   rPUx,
 
   /usr/share/chromium/extensions/ r,