GN: Do not set rpath on android executable.

build/config/gcc/BUILD.gn

Index: build/config/gcc/BUILD.gn
diff --git a/build/config/gcc/BUILD.gn b/build/config/gcc/BUILD.gn
index c6cfe72abe18dc4e5c295f9b4092847896cdb26d..40243cd677e5429fcccce28491455fe9176f2f88 100644
--- a/build/config/gcc/BUILD.gn
+++ b/build/config/gcc/BUILD.gn
@@ -20,21 +20,22 @@ config("symbol_visibility_hidden") {
 
 # Settings for executables and shared libraries.
 config("executable_ldconfig") {
-  ldflags = [
-    # Want to pass "\$". GN will re-escape as required for ninja.
-    "-Wl,-rpath=\$ORIGIN/",
-    "-Wl,-rpath-link=",
-
-    # Newer binutils don't set DT_RPATH unless you disable "new" dtags
-    # and the new DT_RUNPATH doesn't work without --no-as-needed flag.
-    "-Wl,--disable-new-dtags",
-  ]
-
   if (is_android) {
-    ldflags += [
+    ldflags = [
       "-Bdynamic",
       "-Wl,-z,nocopyreloc",
     ]
+  } else {
+    # Android doesn't support rpath.
+    ldflags = [
+      # Want to pass "\$". GN will re-escape as required for ninja.
+      "-Wl,-rpath=\$ORIGIN/",
+      "-Wl,-rpath-link=",
+
+      # Newer binutils don't set DT_RPATH unless you disable "new" dtags
+      # and the new DT_RUNPATH doesn't work without --no-as-needed flag.
+      "-Wl,--disable-new-dtags",
+    ]
   }
 }