Replace -Weverything with -Wextra

-Weverything is not recommended, use -Wextra.

Bug: 143713277
Test: mma
Change-Id: Ic242983ce984ae87d4b6937af8c106abe8e38364
diff --git a/libgrallocusage/Android.bp b/libgrallocusage/Android.bp
index d27feb9..ce0c3c8 100644
--- a/libgrallocusage/Android.bp
+++ b/libgrallocusage/Android.bp
@@ -20,12 +20,7 @@
         "-Werror",
     ],
     cppflags: [
-        "-Weverything",
-        "-Wno-c++98-compat-pedantic",
-        // Hide errors in headers we include
-        "-Wno-global-constructors",
-        "-Wno-exit-time-destructors",
-        "-Wno-padded",
+        "-Wextra",
     ],
     srcs: ["GrallocUsageConversion.cpp"],
     export_include_dirs: ["include"],