DO NOT MERGE Update Android TZDB from 2026b to 2026c. [Q]

Notes for Android time zone maintainers:
Like all tzdb updates, the binary files in this commit should not be
patched to other release branches: they are not guaranteed to work.
Also note that there are associated changes in external/icu and often
others that should also be applied.  tzdb updates are incremental
changes: all previous tzdb updates should be applied.  Look for
aosp/<release>-dev changes for backports. If you have a local branch
with ICU changes the ICU .dat file in external/icu will not apply
cleanly.  Instead, make equivalent changes to text files and run
system/timezone/update-tzdata.py.

---------------

IANA release 2026c notes:
  Alberta moved to permanent -06 on 2026-06-18.
  Morocco moves to permanent +00 on 2026-09-20.

Bug: 535163264
Test: run cts --include-filter CtsLibcoreTestCases
Test: run cts --include-filter CtsLibcoreOjTestCases
Test: run cts --include-filter CtsIcuTestCases
Test: run cts --include-filter CtsBionicTestCases
Test: run cts --include-filter CtsTextTestCases
Test: atest MtsTimeZoneDataTestCases
Test: "adb shell dumpsys runtime" reports 2026c

Change-Id: I00b01507ac2b06f7b1c136c00ea3d7febfed4f55
Merged-In: I00b01507ac2b06f7b1c136c00ea3d7febfed4f55