ueventd.qcom.rc: Change /dev/diag owner permission to system

Recently the owner permission of /dev/diag was changed away
from system. This broke the mode reset functionality. Change
the owner permission back to system on /dev/diag

Change-Id: Ia6c28f0d147ed16a399202a8e0fa043b27dc7712
Merge "Merge "librecovery_updater_msm: Properly free allocated memory""
Merge "Merge "Merge "librecovery_updater_msm: Properly free allocated memory"""
Merge "Merge "librecovery_updater_msm: Properly free allocated memory""
Merge "Merge "Merge "librecovery_updater_msm: Properly free allocated memory"""
Merge "Merge "librecovery_updater_msm: Properly free allocated memory""
Merge "Merge "Merge "librecovery_updater_msm: Properly free allocated memory"""
Merge "Merge "librecovery_updater_msm: Properly free allocated memory""
Merge "Merge "Merge "librecovery_updater_msm: Properly free allocated memory"""
Merge "Merge "librecovery_updater_msm: Properly free allocated memory""
Merge "Merge "Merge "librecovery_updater_msm: Properly free allocated memory"""
Merge "Merge "librecovery_updater_msm: Properly free allocated memory""
Merge "Merge "Merge "librecovery_updater_msm: Properly free allocated memory"""
releasetools: Don't update if file is the same

If during incremental OTA package preparation the file is not changed
at all do not include it in the update package.

Change-Id: I0a0b2ad5578e640d36fefbd5b7f002a0f3f24d2c
Merge "Merge "librecovery_updater_msm: Properly free allocated memory""
Merge "Merge "Merge "librecovery_updater_msm: Properly free allocated memory"""
Merge "Merge "librecovery_updater_msm: Properly free allocated memory""
Merge "Merge "Merge "librecovery_updater_msm: Properly free allocated memory"""
Merge "Merge "librecovery_updater_msm: Properly free allocated memory""
Merge "Merge "Merge "librecovery_updater_msm: Properly free allocated memory"""