Revert "Use thumb versions of external libraries with ARMv7."

build/config/compiler/BUILD.gn

Index: build/config/compiler/BUILD.gn
diff --git a/build/config/compiler/BUILD.gn b/build/config/compiler/BUILD.gn
index 0b00e1a5917067276def9994cea289e5eff487ad..6973300703217316944979cbb1260e02378259e9 100644
--- a/build/config/compiler/BUILD.gn
+++ b/build/config/compiler/BUILD.gn
@@ -512,11 +512,7 @@ config("runtime_library") {
 
     cflags += [ "-isystem" +
                 rebase_path("$android_stlport_root/stlport", root_build_dir) ]
-    if (cpu_arch == "arm" && arm_use_thumb) {
-      lib_dirs += [ "$android_stlport_root/libs/$android_app_abi/thumb" ]
-    } else {
-      lib_dirs += [ "$android_stlport_root/libs/$android_app_abi" ]
-    }
+    lib_dirs += [ "$android_stlport_root/libs/$android_app_abi" ]
 
     if (component_mode == "shared_library") {
       libs += [ "stlport_shared" ]