[Android] Roll android_tools to Android M SDK.

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 1a60e0ad6790cc5554a88f9f5d2aebcc76daac98..412c421ec29d9f88184fd28ce540ddf15a96fa7d 100644
--- a/build/config/compiler/BUILD.gn
+++ b/build/config/compiler/BUILD.gn
@@ -571,6 +571,12 @@ config("compiler") {
         # Let clang find the ld.gold in the NDK.
         ldflags += [ "--gcc-toolchain=$rebased_android_toolchain_root" ]
       }
+
+      # Use -mstackrealign due to a bug on ia32 Jelly Bean.
+      # See crbug.com/521527
+      if (current_cpu == "x86") {
+        cflags += [ "-mstackrealign" ]
+      }
     }
 
     ldflags += [