Merge "Regularize some wallpaper APIs" into pi-dev

author TreeHugger Robot <treehugger-gerrit@google.com>

Tue, 27 Mar 2018 21:50:31 +0000 (21:50 +0000)

committer Android (Google) Code Review <android-gerrit@google.com>

Tue, 27 Mar 2018 21:50:31 +0000 (21:50 +0000)
author TreeHugger Robot <treehugger-gerrit@google.com>
Tue, 27 Mar 2018 21:50:31 +0000 (21:50 +0000)
committer Android (Google) Code Review <android-gerrit@google.com>
Tue, 27 Mar 2018 21:50:31 +0000 (21:50 +0000)
diff --cc api/current.txt
Simple merge
diff --cc api/system-current.txt
Simple merge
author	TreeHugger Robot <treehugger-gerrit@google.com>
	Tue, 27 Mar 2018 21:50:31 +0000 (21:50 +0000)
committer	Android (Google) Code Review <android-gerrit@google.com>
	Tue, 27 Mar 2018 21:50:31 +0000 (21:50 +0000)
		1	2
api/current.txt	patch \|	diff1 \|	diff2 \|	blob \| history
api/system-current.txt	patch \|	diff1 \|	diff2 \|	blob \| history