Fix Out of Bounds read in TextDescriptions.cpp

Fixing vulnerability in extract3GGPGlobalDescriptions() in
TextDescriptions.cpp

Bug: 233735886
Test: Run related PoC. See bug.
Change-Id: I87955b911d0a40390755321d332a11ecc9b20354
(cherry picked from commit b63d4e785ba4d896bbbd50d4f09bda13294926af)
Merged-In: I87955b911d0a40390755321d332a11ecc9b20354
1 file changed