qcom: Add userspace tools to talk to dsp and modem

cherry-picked from upstream device/linaro/dragonboard project.

Add Qcom userspace tools and their respective sepolicy rules.

Userspace tools are downloaded from following github:

To trigger loading of wlan firmware on SDM845
git clone https://github.com/andersson/pd-mapper

Userspace reference for net/qrtr in the Linux kernel
git clone https://github.com/andersson/qrtr

Qualcomm Remote Filesystem Service Implementation
git clone https://github.com/andersson/rmtfs

Trivial File Transfer Protocol server over AF_QIPCRTR
git clone https://github.com/andersson/tqftpserv

Change-Id: Ic466af6fef010a9b71c90e38205f49a876b001e2
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Amit Pundir <pundiramit@gmail.com>
diff --git a/qcom/tqftpserv/Android.bp b/qcom/tqftpserv/Android.bp
new file mode 100644
index 0000000..b2c5090
--- /dev/null
+++ b/qcom/tqftpserv/Android.bp
@@ -0,0 +1,9 @@
+cc_binary {
+    name: "tqftpserv",
+    vendor: true,
+    srcs: [
+        "tqftpserv.c",
+        "translate.c",
+    ],
+    shared_libs: ["libqrtr"],
+}