msm8953-common: advance logcat debugging : Enabled using init.target.rc

- This Don't needed PC for logs.
- Even Takes logs with adb offline issue.
- Even It Takes Logs while on Splash Screen (experimental).
- Advance
- Takes Logs in Full, Crash and Kernel Logs Seperately.
- It will Save Logs to /cache .

rootdir/etc/init.qcom.rc

@@ -505,6 +505,43 @@ on charger
 
     start qcom-post-boot
 
+# Logcat Services
+service boot_log /system/bin/logcat -b all -D -f /cache/boot_log_full.txt
+    class main
+    user root
+    group root system
+    disabled
+    oneshot
+
+service boot_log_crash /system/bin/logcat -b crash -D -f /cache/boot_log_crash.txt
+    class main
+    user root
+    group root system
+    disabled
+    oneshot
+
+service boot_log_kernel /system/bin/logcat -b kernel -D -f /cache/boot_log_kernel.txt
+    class main
+    user root
+    group root system
+    disabled
+    oneshot
+
+on post-fs-data
+# Clear existing log and start the service
+    rm /cache/boot_log_full.txt
+    rm /cache/boot_log_crash.txt
+    rm /cache/boot_log_kernel.txt
+    start boot_log
+    start boot_log_crash
+    start boot_log_kernel
+
+on property:sys.boot_completed=1
+# Stop the logger service
+    stop boot_log
+    stop boot_log_crash
+    stop boot_log_kernel
+
 service vendor.audio-hal /vendor/bin/hw/android.hardware.audio.service
     override
     class hal