Convert the Make file to a Soong one

Bug: 186641883
Test: compared the results built by Make and Soong
Test: TreeHugger
Change-Id: I81f3acffc8b7157cf3d8a5edfce25ecdbf9ca742

Added SPDX-license-identifier-Apache-2.0 to:
  jni/Android.mk

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: Iea41c5bbed690ac52f3ffa7c3b1ef40d62766af4

See https://source.android.com/setup/contribute/respectful-code for reference

BUG=161896447

Test: make and make messagingtests
Change-Id: I01c520f1d5e9eab8dbb25b08d133ae34bd301093

libgiftranscode.so is a jni lib for Messaging app, which is usually
overridden by proprietary apps on shipping devices. We have moved
Messaging to /product. Now this CL move libgiftranscode.so too.

Bug: 138282284
Test: Open gif files with Messaging on aosp_crosshatch
Change-Id: Ic104ba8ec5c2258a28c8d19151a00f6c601b5f80

Bug: 66996870
Test: build with WITH_TIDY=1
Change-Id: I3d7f5b98523c9fee08f2d1c29178ae050923617c

Bug:34697653
Test: build; existing CTS tests

Original commit message:
Fix build breakage caused by updating giflib

Change-Id: I085379470620ec4db13f8baf7a9eb069747270b7

in colorMap->Colors[colorIndex]

* No range checking was done on a color index. Add range
checking and bail if the color index is out of range.

Test: tested sending a large gif that would invoke the GifTranscoder library
to make the gif smaller.

Bug: 32764144
Change-Id: I44f36274ec333ae1960fa8fc96b2dbde35fbaa66

* The array allocations neglected to include [] so delete, instead
of delete [] would get called.

* Test
Manual
- tested sending a large gif that would invoke the GifTranscoder library
to make the gif smaller.

Bug: 33388925
Change-Id: I1e200e470d66ae615ffe9340ff9c049eaa73f63c

* No range checking was done on the background color index. Add range
checking and bail if the color index is out of range.

* Test
Manual
- tested sending the gif attached in the bug.
- tested sending a 3.5mb gif to verify the gif transcoding was taking place.
- tested on arm64, arm, and x86 devices.

Change-Id: Id16ddccf05c8472ddebc1284b2a928dafd1be551
Fixes: 32322450

libgiftranscode.so

* No range checking was done on the background color index.
Add range checking and bail if the color index is out of range.

Test: Manual
- tested sending the gif attached in the bug.
- tested sending a 3.5mb gif to verify the gif transcoding was
taking place.
- tested on arm64, arm, and x86 devices.

Change-Id: I0fd2141436e506a3dc2da04c8ede4701e2a57d19

Bug: 28705665
Change-Id: Idc06e53ca8e25c44de63e7b2f4c465da7f4df65b

Change-Id: Iab7d34552df5cf3830ec03c36872879b9ba28d7e

Froyo isn't supported any more.

Change-Id: I0008ad0273b2aa31ca523fdedd64437bf76c5cbe

Change-Id: I085379470620ec4db13f8baf7a9eb069747270b7

Change-Id: I225c29f321e75bf2813c389ae3b7e9e888daa3cf

b/23110861

Change-Id: I11db999bd10656801e618f78ab2b2ef74136fff1

This reverts commit 461a34b4.

Change-Id: Iac4ca77eeaa94989e91dead49a7959c905bd3078

b/23110861

Change-Id: I9aa980d7569247d6b2ca78f5dcb4502e1eaadb8a