Set ARM/MIPS configuration for both host and target if needed

build/config/mips.gni

Index: build/config/mips.gni
diff --git a/build/config/mips.gni b/build/config/mips.gni
index 1b406572c73a27227c00addc7d9c02885a5cd234..cc6d53f8bebe2843aeb4817580019515410bb409 100644
--- a/build/config/mips.gni
+++ b/build/config/mips.gni
@@ -2,7 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-if (current_cpu == "mipsel") {
+if (current_cpu == "mipsel" || target_cpu == "mipsel") {
   declare_args() {
     # MIPS arch variant. Possible values are:
     #   "r1"
@@ -27,11 +27,11 @@ if (current_cpu == "mipsel") {
     #   "fpxx": sets the GCC -mfpxx option.
     mips_fpu_mode = "fp32"
   }
-} else if (current_cpu == "mips64el") {
+} else if (current_cpu == "mips64el" || target_cpu == "mips64el") {
   # MIPS arch variant. Possible values are:
   #   "r2"
   #   "r6"
-  if (is_android) {
+  if (current_os == "android" || target_os == "android") {
     declare_args() {
       mips_arch_variant = "r6"
     }