Merge "Use the global default cpp_std." into main am: 675512ab0c

Original change: https://android-review.googlesource.com/c/platform/packages/inputmethods/LatinIME/+/3112039

Change-Id: Icdcebcb8224236953d871fd135e7f96ea506c4b7
Signed-off-by: Automerger Merge Worker <[email protected]>