Initial commit: CB-C6s-STU GSI Fixes

TWRP flashable zip for CB-C6s-STU tablet running GSI.
- build.prop: append tablet characteristics, brightness, orientation, BT offload
- goodix_ts.idc: touchscreen IDC config
- sensor_config.xml: camera sensor module mapping (hi846 / gc8034)
- Shell-script update-binary with append-only build.prop logic

system/build.prop

@@ -0,0 +1,12 @@
+# Tablet characteristics
+ro.build.characteristics=tablet
+
+# Workaround: Set the max_brightness of sprd_backlight to 1023
+persist.sys.qcom-brightness=1023
+
+# Workaround: Set the primary display orientation to landscape
+ro.surface_flinger.primary_display_orientation=ORIENTATION_90
+
+# Workaround: Disable bluetooth A2DP offload
+ro.bluetooth.a2dp_offload.supported=false
+persist.bluetooth.a2dp_offload.disabled=true

system/usr/idc/goodix_ts.idc

@@ -0,0 +1,34 @@
+# Copyright (C) 2010 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.
+
+#
+# Input Device Configuration File for the Stingray touch screen.
+#
+
+# Basic Parameters
+touch.deviceType = touchScreen
+touch.orientationAware = 1
+touch.orientation = ORIENTATION_90
+
+## Size
+#touch.size.calibration = area
+#touch.size.scale = 28
+#touch.size.bias = 0
+#
+## Pressure
+#touch.pressure.calibration = amplitude
+#touch.pressure.scale = 0.0125
+#
+## Orientation
+#touch.orientation.calibration = none