tree c7028f49af322f9d06fb644f977e706ed51bb519
parent 277482c5d4dd8268518e9b83be574e2d379f43c9
author Peiyong Lin <lpy@google.com> 1534370014 -0700
committer Peiyong Lin <lpy@google.com> 1536281507 -0700

[RenderEngine] Generalize RenderEngine instance creation methods.

Currently we only have GLES20RenderEngine as the only RenderEngine, however, in
the future we may have Vulkan RenderEngine. This patch adds a property to
control the creation of RenderEngine.

BUG: 112585051
Test: Build, flash, run display validation
Change-Id: I546300e8977d079f2760bd182fe53f3170976d56