White Labeling WSO2 EMM Android Agent

Changing Android Agent related logos and icons

Clone product-mdm. The folder will be referred to as <PRODUCT_MDM> throughout the documentation.

If you have cloned the product-mdm repository previously to build EMM from source, skip this test and move to step 2.
```
git clone https://github.com/wso2/product-mdm.git
```
Navigate to the <EMM_AGENT_ANDROID>/res/ directory.

<EMM_AGENT_ANDROID> refers to the <PRODUCT_MDM>/modules/mobile-agents/android/client file path.
1. Navigate to the drawable-xxhdpi/ folder and change the following:
  - Change the ic_launcher.png (144px X 144px) file in order to change the icon. For more information, go to the Android icon guide.
1. - Change the following file logos in order to change the header logos:
    ic_logo.png (240px X 72px)
    ic_logo_darker.png (240px X 72px)
    repeat_bg.png (277px X 125px)
2. Navigate to the drawable-xhdpi/ folder.
  - Change the ic_launcher.png (96px X 96px) file to change the icon.
  - Change the ic_logo.png (160px X 48px), ic_logo_darker.png (160px X 48px) and repeat_bg.png (222px X 100px) file in order to change the logos.
3. Navigate to the drawable-hdpi/ folder.
  - Change the ic_launcher.png (72px X 72px) file in order to change the icon.
  - Change the ic_logo.png (120px X 36px), ic_logo_darker.png (120px X 36px) and repeat_bg.png (122px X 55px) files in order to change the logos.
4. Navigate to the drawable-mdpi/ folder.
  - Change the ic_launcher.png (48px X 48px) file to change the icon.
  - Change the ic_logo.png (80px X 24px) and ic_logo_darker.png (80px X 24px) files in order to change the logos.

`ic_logo.png` (`240px X 72px`)
`ic_logo_darker.png` (`240px X 72px)`
`repeat_bg.png` (`277px X 125px`)