Fix Out of Bounds read in TextDescriptions.cpp am: b63d4e78 am: a18815ba...

Fix Out of Bounds read in TextDescriptions.cpp am: b63d4e78 am: a18815ba am: d8dad277 am: 4803c5c3 am: e7caf5cd am: 9850bfbc am: e449edb2 am: aef95f66 am: b3b55dd2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/18993507



Change-Id: I4197d570b0a1d3957a1adee078e77cc79487450d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>