Cleanup references to system/core/base -> system/libbase am: 4a80f1f3dd am: e75baaca1e

Original change: https://android-review.googlesource.com/c/platform/hardware/qcom/sdm845/display/+/1472382

Change-Id: Ia928ef73b4e3388fdf0f448cbec5dcc3e1cc47ae