Changelogs

• Initial a17 build.
• Synced with the latest source.
• Included audio effect for dolby.
• Included Moto Dolby.
• Upstream backlashxx kernelsu version 32670.
• Upstream BCR version 3.8.
• Fixed a battery capacity related issue (4mah instead of 4000mah).
• Implemented powerhint from K20 Pro.
• tune powerhint and adapt for sdm660.