Change Timesync node owner to Bluetooth

This patch change owner of Bluetooth Timesync node to be Bluetooth to
allow Bluetooth HAL to read controller timestamp data via this node.

Bug: 226659256
Test: make
Change-Id: I70010daf45186235a48633355b5641b38597b2d6

conf/init.pantah.rc

@@ -67,6 +67,10 @@ on property:ro.boot.hardware.revision=PROTO1.0
 on property:ro.boot.hardware.revision=PROTO1.1
     setprop persist.vendor.nfc.config_file_name libnfc-hal-st-proto1.conf
 
+# Bluetooth
+on post-fs-data
+    chown bluetooth system /proc/bluetooth/timesync
+
 # SecureElement eSE2 cts mode
 on property:persist.vendor.se.ese2.mode=ctsmode
     write /sys/class/st33spi/st33spi/st33spi_state 33