Increment platform-tools version to 29.0.3.

Test: none
Change-Id: I56f7c8e6b8c23c4febf1f394f90e47578b8e4d6e
diff --git a/sdk/plat_tools_source.prop_template b/sdk/plat_tools_source.prop_template
index b1ccb30..37cd0ee 100644
--- a/sdk/plat_tools_source.prop_template
+++ b/sdk/plat_tools_source.prop_template
@@ -1,2 +1,2 @@
 Pkg.UserSrc=false
-Pkg.Revision=29.0.2
+Pkg.Revision=29.0.3