Merge "Bump targetSdkVersion to "30"" am: c880212a59 am: c7fa63d4c5 am: a6fbccdd9e

Original change: https://android-review.googlesource.com/c/platform/packages/inputmethods/LatinIME/+/1737355

Change-Id: I8be18798ecac3b163c27024c2a6217945b80e6ec