When we enter text, the text coordinates look shaky.
(ex Muse divice in VD)
Change-Id: Ib1dccf73c629d6efdde89becc62eae5493416ee1
attribute mediump vec2 aTexCoord;
attribute mediump vec4 aColor;
uniform mediump vec2 uOffset;
attribute mediump vec2 aTexCoord;
attribute mediump vec4 aColor;
uniform mediump vec2 uOffset;
-uniform mediump mat4 uMvpMatrix;
+uniform highp mat4 uMvpMatrix;
varying mediump vec2 vTexCoord;
varying mediump vec4 vColor;
varying mediump vec2 vTexCoord;
varying mediump vec4 vColor;