Improve logging around performance critical events

bug:17702227

Add details useful to developers (such as layer size/View name), and
switch away from logging implementation names/details, since they
are generally not relevant to developers.

Change-Id: Iee605d182f241450f7e75a6d0c283d51fa1312f5
diff --git a/libs/hwui/PathCache.cpp b/libs/hwui/PathCache.cpp
index 9ba8854..6f48e4d 100644
--- a/libs/hwui/PathCache.cpp
+++ b/libs/hwui/PathCache.cpp
@@ -255,7 +255,7 @@
 
 PathTexture* PathCache::addTexture(const PathDescription& entry, const SkPath *path,
         const SkPaint* paint) {
-    ATRACE_CALL();
+    ATRACE_NAME("Generate Path Texture");
 
     float left, top, offset;
     uint32_t width, height;