Release 1.3.5 of TI Simplelink Connect

This commit consolidates work done for Release 1.3.5 of the TI
Simplelink Connect iOS and Android application

Changes:
1. Implemented Stress tests feature. Additional information can be found in the SimpleLink Academy: https://dev.ti.com/tirex/explore/node?node=A__Af6ue7WVKTMCYaoKZ-dN.g__SIMPLELINK-ACADEMY-CC23XX__gsUPh5j__LATEST
2. Created a specific screen for the Health Thermometer Profile that polls data every 10s/30s/60s and shows the data on a graph.
3. Created a configuration page for the Terminal screen that enhances user experience:
• Added support for ANSI color codes.
• Added an option to disable local echo.
• Added support for configuring print message length.
• Added an option to enable/disable timestamp.
• Added support for setting different colors for RX/TX data.
4. Support Indication GATT operation.

Signed-off-by: Texas Instrument