Unified format and Clearly traced opening recents

Compared with the submission in Commit: fbeac3c3,it is recommended to unify the trace information in the copyLayerInto function and the copyHWBitmapInto function in RenderProxy to make the output information clearer and easier to understand.

Test: traced opening recents

Signed-off-by:
Shuangxi Xiang <xiangshuangxi@xiaomi.corp-partner.google.com>

Change-Id: If759ccebb6beae21e2c026112c202814fe5e336f