Switch from minigzip to gzip.

Bug: http://b/288169261
Test: treehugger
Change-Id: Ic8a507b6a292c2c7917170b1ab27878d4e25ddef
diff --git a/libs/WindowManager/Shell/Android.bp b/libs/WindowManager/Shell/Android.bp
index f615ad6..7505797 100644
--- a/libs/WindowManager/Shell/Android.bp
+++ b/libs/WindowManager/Shell/Android.bp
@@ -108,8 +108,7 @@
     name: "protolog.json.gz",
     srcs: [":generate-wm_shell_protolog.json"],
     out: ["wmshell.protolog.json.gz"],
-    cmd: "$(location minigzip) -c < $(in) > $(out)",
-    tools: ["minigzip"],
+    cmd: "gzip -c < $(in) > $(out)",
 }
 
 prebuilt_etc {