Composer: Add make file for composer 3.1

Change-Id: I566e98b0ac78bafe2defa1df3acbd8c21b05082f
diff --git a/display/composer/3.1/Android.bp b/display/composer/3.1/Android.bp
new file mode 100644
index 0000000..f9de244
--- /dev/null
+++ b/display/composer/3.1/Android.bp
@@ -0,0 +1,23 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+hidl_interface {
+    name: "vendor.qti.hardware.display.composer@3.1",
+    root: "vendor.qti.hardware.display",
+    system_ext_specific: true,
+    srcs: [
+        "IQtiComposer.hal",
+        "IQtiComposerClient.hal",
+    ],
+    interfaces: [
+        "android.hardware.graphics.common@1.0",
+        "android.hardware.graphics.common@1.1",
+        "android.hardware.graphics.common@1.2",
+        "android.hardware.graphics.composer@2.1",
+        "android.hardware.graphics.composer@2.2",
+        "android.hardware.graphics.composer@2.3",
+        "android.hardware.graphics.composer@2.4",
+        "vendor.qti.hardware.display.composer@3.0",
+        "android.hidl.base@1.0",
+    ],
+    gen_java: false,
+}
diff --git a/display/composer/3.1/hidl_gen_version b/display/composer/3.1/hidl_gen_version
new file mode 100644
index 0000000..ea6911d
--- /dev/null
+++ b/display/composer/3.1/hidl_gen_version
@@ -0,0 +1 @@
+version=3.1