hwc: Bump up version to 1.3

Increment hwc version to 1.3.
Create and use a converter from float source crop to integers.

Change-Id: I5e185195c975b3a9434c5d9dce9ae4757ff98739
(cherry picked from commit 7e5637c850bcdbe21784ca3bfa9668870306adff)
diff --git a/libhwcomposer/hwc_copybit.cpp b/libhwcomposer/hwc_copybit.cpp
index d54a5f2..2068732 100644
--- a/libhwcomposer/hwc_copybit.cpp
+++ b/libhwcomposer/hwc_copybit.cpp
@@ -393,7 +393,7 @@
                }
     }
     // Copybit source rect
-    hwc_rect_t sourceCrop = layer->sourceCrop;
+    hwc_rect_t sourceCrop = integerizeSourceCrop(layer->sourceCropf);
     copybit_rect_t srcRect = {sourceCrop.left, sourceCrop.top,
                               sourceCrop.right,
                               sourceCrop.bottom};