vendor: poor man themes: make Gboard dialog themable

Change-Id: I88014da4fac1e8da7c5f5eb77ae6b9725ab26293
diff --git a/google/themes/GboardOmniTheme/Android.mk b/google/themes/GboardOmniTheme/Android.mk
new file mode 100644
index 0000000..13c94ee
--- /dev/null
+++ b/google/themes/GboardOmniTheme/Android.mk
@@ -0,0 +1,11 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_PACKAGE_NAME := GboardOmniTheme
+LOCAL_SDK_VERSION := current
+LOCAL_CERTIFICATE := platform
+LOCAL_PRIVILEGED_MODULE := false
+
+include $(BUILD_PACKAGE)