Add EuiccCard.isRemovable

Also add the resource non_removable_euicc_slots, an int-array of the
slot indexes which we know contain non-removable embedded eUICC chips.

Bug: 122738148
Test: EuiccCardTest, UiccControllerTest, UiccSlotTest
Change-Id: If9c0e2d72866e683034a06f8401d1d98daf1a84e
Merged-In: If9c0e2d72866e683034a06f8401d1d98daf1a84e