PerformanceControl: ES translation

Change-Id: I1369b00030558a22a9e50e8798e5814ad54fe841
add missing drawable-mdpi resources (were causing resource.not.found exceptions)

Change-Id: Ida5c4d21073806ba26e6c8d6850f28626ce2d68c
Merge pull request #1 from omnirom/android-4.4

update branch