Revert "frameworks: Smooth background gradient"

This reverts commit 8d34f0fcd88afc92ae71dae877f675d0e20d4209.
Revert "Forced to update whole region in case of computation error"

This reverts commit c6d7c202c53f478897bd21b4e1d29883c4b49313.
Revert "handle IllegalStateException from Surface.lockCanvas"

This reverts commit ba42d8f013fab368bbe21e4d4fccb490ca942103.
Revert "SUPL early data connection fix"

This reverts commit 562c20d78c736c50565723dfaac5128c8166cd3e.