Clean up unnecessary backslashes

* Last line in a PRODUCT_COPY_FILES block shouldn't end with backslash

Change-Id: I57b4914048a2a17ff98057844941898b682dbcd5
LTE toggle: fix supported modes

Change-Id: Iba828b00072dadb4ec0058b7158f2187e1ac1f2d
Signed-off-by: Jonathan Steadman <xxwhitehawk@gmail.com>
LTE Toggle: add missing network mode NT_MODE_LTE_WCDMA

Change-Id: I93db32d4700568d79230350ff67e5dc0227a0c30
Signed-off-by: Jonathan Steadman <xxwhitehawk@gmail.com>