Update ahat version number to 1.5

Test: m ahat-test
Test: open heap dump and verify version number on overview page.
Change-Id: Ied11ec1973a14c0f9351adc867cc522a80a7f87d
diff --git a/tools/ahat/README.txt b/tools/ahat/README.txt
index a765b17..cdfeba4 100644
--- a/tools/ahat/README.txt
+++ b/tools/ahat/README.txt
@@ -30,7 +30,6 @@
  * Show somewhere where to send bugs.
  * Include a link to /objects in the overview and menu?
  * Turn on LOCAL_JAVACFLAGS := -Xlint:unchecked -Werror
- * Use hex for object ids in URLs?
 
  * [low priority] by site allocations won't line up if the stack has been
    truncated. Is there any way to manually line them up in that case?
@@ -54,7 +53,15 @@
  * Request to be able to sort tables by size.
 
 Release History:
- 1.5 Pending
+ 1.6 Pending
+
+ 1.5 December 05, 2017
+   Distinguish between weakly reachable and unreachable instances.
+   Allow hex ids to be used for objects in query parameters.
+   Restore old presentation of sample paths from gc roots.
+   Fix bug in selection of sample paths from gc root.
+   Fix bug in proguard deobfuscation of stack frames.
+   Tighten up and document ahat public API.
 
  1.4 October 03, 2017
    Give better error messages on failure to launch ahat.
diff --git a/tools/ahat/etc/ahat.mf b/tools/ahat/etc/ahat.mf
index 1753406..df96483 100644
--- a/tools/ahat/etc/ahat.mf
+++ b/tools/ahat/etc/ahat.mf
@@ -1,4 +1,4 @@
 Name: ahat/
 Implementation-Title: ahat
-Implementation-Version: 1.4
+Implementation-Version: 1.5
 Main-Class: com.android.ahat.Main