sanders: Tree cleanup

*Move telephony-ext from BoardConfig.mk to device.mk.
*Remove tagGoogle
*Delete init.qcom/ril.sh
 -Unnecessary.
*Remove contexts from fstab.recovery
 -Needed after enforcing.
*Remove Android.bp libhidl.
*Update system.prop.

system.prop

@@ -21,7 +21,6 @@ av.offload.enable=false
 av.debug.disable.pers.cache=1
 persist.audio.endcall.delay=250
 qcom.hw.aac.encoder=false
-
 persist.audio.calfile0=/etc/acdbdata/Bluetooth_cal.acdb
 persist.audio.calfile1=/etc/acdbdata/General_cal.acdb
 persist.audio.calfile2=/etc/acdbdata/Global_cal.acdb
@@ -29,14 +28,12 @@ persist.audio.calfile3=/etc/acdbdata/Handset_cal.acdb
 persist.audio.calfile4=/etc/acdbdata/Hdmi_cal.acdb
 persist.audio.calfile5=/etc/acdbdata/Headset_cal.acdb
 persist.audio.calfile6=/etc/acdbdata/Speaker_cal.acdb
-
 persist.vendor.audio.fluence.speaker=false
 persist.vendor.audio.fluence.voicecall=true
 persist.vendor.audio.fluence.voicecomm=true
 persist.vendor.audio.fluence.voicerec=false
 ro.qc.sdk.audio.fluencetype=none
 ro.qc.sdk.audio.ssr=false
-
 vendor.use.voice.path.for.pcm.voip=false
 
 # Bluetooth
@@ -73,6 +70,8 @@ vendor.vidc.disable.split.mode=1
 vendor.vidc.enc.disable.pq=true
 vendor.vidc.dec.downscalar_width=1920
 vendor.vidc.dec.downscalar_height=1088
+media.camera.ts.monotonic=1
+persist.camera.time.monotonic=1
 
 # CNE
 persist.cne.feature=1
@@ -102,7 +101,7 @@ persist.hwc.mdpcomp.enable=true
 dev.pm.dyn_samplingrate=1
 persist.demo.hdmirotationlock=false
 ro.opengles.version=196610
-ro.sf.lcd_density=480
+ro.sf.lcd_density=420
 persist.debug.wfd.enable=1
 sdm.debug.disable_skip_validate=1
 debug.gralloc.enable_fb_ubwc=1
@@ -112,7 +111,7 @@ persist.camera.video.ubwc=0
 # FM
 ro.fm.transmitter=false
 
-#HWUI properties
+# HWUI properties
 ro.hwui.texture_cache_size=72
 ro.hwui.layer_cache_size=48
 ro.hwui.r_buffer_cache_size=8
@@ -141,6 +140,8 @@ persist.ims.vt=false
 persist.ims.vt.epdg=false
 persist.mm.sta.enable=0
 persist.vt.supported=0
+persist.volte_enabled_by_hw=1
+persist.dbg.volte_avail_ovr=1
 
 # Media
 media.aac_51_output_enabled=true
@@ -204,6 +205,7 @@ ro.telephony.call_ring.multiple=false
 persist.vendor.radio.eri64_as_home=1
 persist.vendor.radio.data_con_rprt=1
 
+# Netmgrd
 ro.use_data_netmgrd=true
 persist.data.qmi.adb_logmask=0
 persist.data.netmgrd.qos.enable=true
@@ -227,7 +229,7 @@ ro.hardware.sensors=sanders
 # SensorService
 system_init.startsensorservice=0
 
-#Trim properties
+# Trim properties
 ro.vendor.qti.sys.fw.trim_enable_memory=2147483648
 
 # USB