Add gdbserver64 for mips64

See README.txt for build instruction

Change-Id: I27a7b66a4c8122115982a5cabbc38b0d6113df86
diff --git a/android-mips64/gdbserver64/Android.mk b/android-mips64/gdbserver64/Android.mk
new file mode 100644
index 0000000..85008cd
--- /dev/null
+++ b/android-mips64/gdbserver64/Android.mk
@@ -0,0 +1,11 @@
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+# Explicitly mark gdbserver as "debug" so that it doesn't
+# get included in user or SDK builds. (GPL issues)
+#
+LOCAL_SRC_FILES := gdbserver64
+LOCAL_MODULE := gdbserver64
+LOCAL_MODULE_CLASS := EXECUTABLES
+LOCAL_MODULE_TAGS := debug
+include $(BUILD_PREBUILT)
diff --git a/android-mips64/gdbserver64/README.txt b/android-mips64/gdbserver64/README.txt
new file mode 100644
index 0000000..0380958
--- /dev/null
+++ b/android-mips64/gdbserver64/README.txt
@@ -0,0 +1,9 @@
+Build instruction:
+
+  cd $NDK
+  ./build/tools/download-toolchain-sources.sh /tmp/ndk-$USER/src
+  ./build/tools/gen-platforms.sh --dst-dir=$NDK --ndk-dir=$NDK --overlay --arch=mips64 --gcc-version=4.8
+  ./build/tools/build-gdbserver.sh /tmp/ndk-$USER/src $NDK -j32 mipsel-linux-android-4.8 --gdb-version=7.6
+
+Current prebuilt version is against AOSP-toolchain/gdb/gdb-7.6
+commit 37c2cd1af0dd58048d965bac278fc5d83fea65a0
diff --git a/android-mips64/gdbserver64/gdbserver64 b/android-mips64/gdbserver64/gdbserver64
new file mode 100755
index 0000000..d714bec
--- /dev/null
+++ b/android-mips64/gdbserver64/gdbserver64
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