Avoid creating object in onDraw()

Signed-off-by: Issac <issac@imid.me>
Merge branch 'master' of github.com:Issacw0ng/SwipeBackLayout

Conflicts:
	.gradle/1.6/taskArtifacts/fileHashes.bin
	.gradle/1.6/taskArtifacts/fileSnapshots.bin
	.gradle/1.6/taskArtifacts/taskArtifacts.bin