common.kl: Use frameworks/base/data/keyboards/Generic.kl instead am: 7f72e1e4be am: 2b215e65bf am: 98068ffc7c

Original change: https://android-review.googlesource.com/c/device/linaro/dragonboard/+/2238958

Change-Id: I91b4a40b0af18e3310f3c87b72410f38e663d602
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>