vulkan: Add DevelopersGuide.pdf

Change-Id: I25b547e8704f78db39f4bcfeb5172439952b870d
(cherry picked from commit 296fd43d133871d7b6c9bacba67cd24ebe509e22)
diff --git a/vulkan/doc/DevelopersGuide.pdf b/vulkan/doc/DevelopersGuide.pdf
new file mode 100644
index 0000000..5b9918c
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diff --git a/vulkan/doc/implementors_guide-docinfo.adoc b/vulkan/doc/implementors_guide/implementors_guide-docinfo.adoc
similarity index 100%
rename from vulkan/doc/implementors_guide-docinfo.adoc
rename to vulkan/doc/implementors_guide/implementors_guide-docinfo.adoc
diff --git a/vulkan/doc/implementors_guide.adoc b/vulkan/doc/implementors_guide/implementors_guide.adoc
similarity index 100%
rename from vulkan/doc/implementors_guide.adoc
rename to vulkan/doc/implementors_guide/implementors_guide.adoc
diff --git a/vulkan/doc/implementors_guide.conf b/vulkan/doc/implementors_guide/implementors_guide.conf
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rename from vulkan/doc/implementors_guide.conf
rename to vulkan/doc/implementors_guide/implementors_guide.conf
diff --git a/vulkan/doc/implementors_guide.html b/vulkan/doc/implementors_guide/implementors_guide.html
similarity index 100%
rename from vulkan/doc/implementors_guide.html
rename to vulkan/doc/implementors_guide/implementors_guide.html