Crash seen when connecting a display. (When using Mosaic mode)

[kalyankondapally]

Update hwc_display.ini file to enable Mosaic mode and disable clone mode.

Connect single display and power up the device, wait for it to come to home screen. Now, connect the second display.

Expected output :
Second display boots up to home screen immediately.

Actual Output:
System reboots with following BT:

03-21 05:09:05.783 10818 10818 F DEBUG : #00 pc 0000000000070c7e /vendor/lib64/hw/hwcomposer.android_ia.so (_ZN10hwcomposer10DrmDisplay19UpdateDisplayConfigEv+46)
03-21 05:09:05.783 10818 10818 F DEBUG : #1 pc 000000000006eb2d /vendor/lib64/hw/hwcomposer.android_ia.so (_ZN10hwcomposer15PhysicalDisplay7ConnectEv+189)
03-21 05:09:05.783 10818 10818 F DEBUG : #2 pc 0000000000070486 /vendor/lib64/hw/hwcomposer.android_ia.so (_ZN10hwcomposer10DrmDisplay14ConnectDisplayERK16_drmModeModeInfoPK17_drmModeConnectorj+438)
03-21 05:09:05.783 10818 10818 F DEBUG : #3 pc 0000000000077366 /vendor/lib64/hw/hwcomposer.android_ia.so (_ZN10hwcomposer17DrmDisplayManager18UpdateDisplayStateEv+1910)
03-21 05:09:05.783 10818 10818 F DEBUG : #4 pc 0000000000076a8e /vendor/lib64/hw/hwcomposer.android_ia.so (_ZN10hwcomposer17DrmDisplayManager19HotPlugEventHandlerEv+238)
03-21 05:09:05.783 10818 10818 F DEBUG : #5 pc 0000000000077b1d /vendor/lib64/hw/hwcomposer.android_ia.so (_ZN10hwcomposer17DrmDisplayManager13HandleRoutineEv+61)
03-21 05:09:05.783 10818 10818 F DEBUG : #6 pc 0000000000069915 /vendor/lib64/hw/hwcomposer.android_ia.so (_ZN10hwcomposer9HWCThread13ProcessThreadEv+85)
03-21 05:09:05.783 10818 10818 F DEBUG : #7 pc 0000000000069a26 /vendor/lib64/hw/hwcomposer.android_ia.so (ZNSt3__114__thread_proxyINS_5tupleIJNS_10unique_ptrINS_15__thread_structENS_14default_deleteIS3_EEEEMN10hwcomposer9HWCThreadEFvvEPS8_EEEEEPvSD+54)
03-21 05:09:05.899 1887 1887 I VendorServiceManager: service 'hwc.info' died
03-21 05:09:06.435 10851 10851 I vndksupport: sphal namespace is not configured for this process. Loading /vendor/lib64/hw/hwcomposer.android_ia.so from the current namespace instead.
03-21 05:09:06.445 10851 10851 I iahwcomposer: EXPLICIT SYNC support is enabled
03-21 05:09:06.445 10851 10851 I iahwcomposer: HWC Scaling Mode None