Adds 3 new GesturalOverlay packages for different back insets

Bug: 131447780
Test: It builds
Change-Id: I8eeb87004d3f958c1225c4b982bed6fce9816e74
diff --git a/packages/overlays/NavigationBarModeGesturalOverlayWideBack/Android.mk b/packages/overlays/NavigationBarModeGesturalOverlayWideBack/Android.mk
new file mode 100644
index 0000000..0ab463f
--- /dev/null
+++ b/packages/overlays/NavigationBarModeGesturalOverlayWideBack/Android.mk
@@ -0,0 +1,30 @@
+#
+#  Copyright 2019, The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_RRO_THEME := NavigationBarModeGesturalWideBack
+
+
+LOCAL_SRC_FILES := $(call all-subdir-java-files)
+
+LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res
+
+LOCAL_PACKAGE_NAME := NavigationBarModeGesturalOverlayWideBack
+LOCAL_SDK_VERSION := current
+
+include $(BUILD_RRO_PACKAGE)
\ No newline at end of file